{
  "schema": "canli.company-reference.v1",
  "cik": "0001338749",
  "name": "POTLATCHDELTIC CORP",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001338749.json",
  "source_sha256": "edad5edb3e443fae927bc8128cbc52490a6b73ff4a685c9ee169df14c9a48823",
  "fetched_at": "2026-09-21T17:18:37.014Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 3305443000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 3431256000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 3550555000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2535215000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2381065000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2235059000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2325852000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 953079000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 927681000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1016612000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1031746000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 677202000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 718897000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 746220000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 781711000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 823565000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 1267773000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1260158000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1287402000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1009082000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1076112000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1008228000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1011073000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 752537000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 771407000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 812876000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 806680000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 476382000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 580254000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 2037670000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2171098000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2263153000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1526133000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1304953000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1226831000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1314779000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 200542000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 156274000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 203736000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 225066000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 204148000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 138643000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 142138000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 204439000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 229790000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 198234000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 578336000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2007Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 151551000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 230118000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 343809000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 296151000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 252340000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 83310000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 76639000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 120457000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 82584000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 72855000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "unit": "USD"
        },
        {
          "end": "2016-06-30",
          "val": 65378000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "unit": "USD"
        },
        {
          "end": "2016-03-31",
          "val": 7824000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 7925000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 24017000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 49032000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 21876000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 62101000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 333900000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 423860000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 166830000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 55661000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 122880000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 86453000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 10938000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 31714000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 89910000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 70581000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 42594000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 40266000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 40394000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 77328000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 52637000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 188470000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 159111000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 491901000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 504886000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 335263000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 139068000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 178894000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 162659000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 102117000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 29880000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 12855000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 5866000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 18987000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 13261000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 10280000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5636000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5338000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 5215000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4317000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 10345000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 678595000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 599099000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 575336000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 606950000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 570289000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 525134000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 497421000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 539447000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 476169000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 439957000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1062076000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1024075000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1330780000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1337435000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1040930000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 827098000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 974579000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 678595000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 599099000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -182371000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -171710000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -295562000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -401309000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -124985000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -138772000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -172001000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -74766000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -120809000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -92062000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -95304000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -147520000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -59145000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -42192000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4517000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -47909000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -50020000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 93351000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": -470331000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -315291000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -208979000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -280910000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -315510000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -359330000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -282391000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -104363000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -128775000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -72983000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -43588000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -75556000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -94196000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -86388000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -52733000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": -11549000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 79236000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 79985000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 72740000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 67352000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 67237000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 67608000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 60534000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 40824000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 40797806,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 40842126,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 40748924,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 40502878,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 40333333,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 40159141,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 39971073,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 39763090,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 79339000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 80167000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 72922000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 67719000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 67568000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 67743000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 61814000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 41227000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 41033440,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 40987819,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 40894382,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 40709287,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 40553149,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 40382985,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 40219329,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 39973613,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0.28,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.78,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4.59,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6.29,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2.48,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.82,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2.03,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2.12,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.27,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.78,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2.21,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.74,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.06,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.01,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.94,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.33,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0.28,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.77,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4.58,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6.26,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2.47,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.82,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1.99,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2.1,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.27,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.77,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2.2,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.73,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.05,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.93,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.32,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -13689000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -216000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 65412000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 85156000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 27123000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1010000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 19199000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32021000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -4325000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -5568000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 19687000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 13885000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 16809000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4145000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4596000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -16648000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -25195000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 408913000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 372832000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 318184000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 292320000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 288544000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 286383000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 272193000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 77229000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 72820000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 75285000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 65749000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 59976000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 58050000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 61453000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 67174000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 75839000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 11010000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 9115000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 18497000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8607000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8063000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7272000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 8206000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 5379000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4390000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 4758000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 4137000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 4377000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 4067000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4404000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3952000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3829000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -4320000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 33192000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 85750000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 449082000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 551518000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 280630000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 96283000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 184954000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 151907000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 44693000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 58907000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 132506000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 107598000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 84942000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 72240000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 72651000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 86704000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 67896000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 299130000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 376933000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 471535000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 421178000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 357118000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 183441000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 262198000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 193307000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 163645000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 70753000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 92492000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 130369000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 138097000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 134851000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 161794000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 121698000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 200278000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 262533000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 139766000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 126179000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 139834000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 113252000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 136284000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 74798000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 60581000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 80720000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 72194000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 50318000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 63587000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 77609000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 66032000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 58473000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 16991000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 12521000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 12241000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 12749000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 9724000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12734000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 12073000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 9361000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 8382000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 6351000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 23358000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 21892000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 22813000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 31028000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 26606000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 14167000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 21405000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 11240000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 14842000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 13420000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 9928000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 16572000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 10668000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 13533000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 21278000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 18161000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 35017000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 25011000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 54549000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 15364000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 25173000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 5956000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 82926000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 78665000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 67958000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 72369000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 62036000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 65781000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 60805000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 50132000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 52622000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 35162000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 31490000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 36275000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 28928000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 28603000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 24375000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 24493000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 83212000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 75730000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 76506000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 73432000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 72519000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 57925000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 59861000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 49996000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 44262000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 46392000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 44655000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 50397000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 49419000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 40549000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 39347000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 47382000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 41729000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 78684000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "shares"
        },
        {
          "end": "2023-12-31",
          "val": 79365000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "shares"
        },
        {
          "end": "2022-12-31",
          "val": 79683000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "AdditionalPaidInCapital",
      "taxonomy": "us-gaap",
      "label": "Additional paid-in capital",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Capital contributed above par value under this concept. It records historical contributions, not the current value of the equity or cash on hand.",
      "observations": [
        {
          "end": "2017-12-31",
          "val": 359144000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 355274000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 350541000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 346441000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 337887000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 333348000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 329206000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 330894000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 328989000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 114141000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 103032000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 97652000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -43238000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -120989000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -147359000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -129431000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -94851000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -110744000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -114503000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -118392000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -98720000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -140898000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -140882000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -113755000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": -127477000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseRightOfUseAsset",
      "taxonomy": "us-gaap",
      "label": "Operating lease right-of-use asset",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of the right to use leased assets under operating leases. It reflects discounted remaining payments, not the value of the underlying property.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 10167000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 10169000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 9306000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 8514000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 11081000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 15772000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 14000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseLiability",
      "taxonomy": "us-gaap",
      "label": "Operating lease liability",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Present value of remaining operating lease payments. Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 10057000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 10165000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 9286000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 8619000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 11139000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 15773000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 14000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 1034652000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1033728000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1032680000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 758256000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 757347000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 756469000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 755364000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 573319000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 583988000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 603881000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 625668000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 710703000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 681914000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 588935000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 532324000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 517711000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 498113000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 472695000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 259437000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 250913000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 248750000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 236511000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 223796000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 217913000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 218399000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 217681000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 301790000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 309082000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 270751000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 240004000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 229167000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 211730000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 200502000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 182208000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 178093000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 173465000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 170762000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 163820000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 159863000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 156946000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 150507000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 158123000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IntangibleAssetsNetExcludingGoodwill",
      "taxonomy": "us-gaap",
      "label": "Net intangible assets excluding goodwill",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Intangible assets other than goodwill after amortization and impairment. Internally developed intangibles are usually not recognized, so this understates what a company relies on.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 13861000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 15640000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 17420000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 15491000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 16270000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 17049000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 17828000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 175579000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 169132000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 179554000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 57951000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 46717000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 35290000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 21281000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8271000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 7309000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 7375000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 7857000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 12738000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 14991000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 32305000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 31340000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 27982000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 35000000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 35015000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 35749000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 49076000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 72365000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 48853000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 16730000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 15159000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 14586000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 13913000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 15752000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 22353000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 22457000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 18615000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 18631000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 17484000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ContractWithCustomerLiabilityCurrent",
      "taxonomy": "us-gaap",
      "label": "Current contract liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Consideration received before performance obligations are satisfied, often called deferred revenue. It is an obligation to deliver, not earned revenue or cash available.",
      "observations": [
        {
          "end": "2019-12-31",
          "val": 5500000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 4300000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1700000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 42183000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 39130000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 36833000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 34212000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 58682000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 65730000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 59142000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 45912000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 72165000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 88564000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 76799000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxLiabilitiesNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax liabilities net of related assets under this concept. The amount reflects timing differences and is not tax currently due.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 21123000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 36641000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 41790000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 34874000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 17740000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 20165000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Pre-tax income or loss from continuing operations",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 8187000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 61885000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 399312000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 509016000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 193953000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 56671000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 26146000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 109597000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 84466000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 59403000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 44411000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 44871000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 64783000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProfitLoss",
      "taxonomy": "us-gaap",
      "label": "Profit or loss including noncontrolling interests",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income or loss including the portion attributable to noncontrolling interests. It can differ from the net income attributable to the parent that per-share figures use.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 21876000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 62101000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 333900000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 423860000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 166830000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 55661000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 122880000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 86453000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 10938000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 32985000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 67481000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 474790000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 501611000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 193200000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 37733000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 111565000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 102346000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 14697000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 35603000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 70238000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 112759000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 42578000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 13139000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 54116000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 116905000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -46949000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 43500000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 44600000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 37600000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 30600000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 25200000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 23900000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 22800000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 8100000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 8300000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 8200000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8100000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 8200000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 8800000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 9800000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 9800000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 11000000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DepreciationDepletionAndAmortization",
      "taxonomy": "us-gaap",
      "label": "Depreciation, depletion and amortization",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Combined depreciation, depletion and amortization for the period. A noncash allocation of asset cost, not a measure of maintenance spending.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 113098000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 121154000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 98234000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 77425000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 77885000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 72105000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 73161000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 29912000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 34190000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 38105000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 26749000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 26962000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 26247000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 29092000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 31204000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 34715000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 30153000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 800000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 800000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 800000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3115000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1267000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -67000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -913000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 9053000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 70669000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 85131000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 41733000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 12055000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7038000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 16657000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -6178000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 128000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 21205000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 16352000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 292000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -73000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -930000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4389000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -12776000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -9501000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -5302000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 25000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -14610000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -11082000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 11370000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 14325000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2143000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1097000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -2143000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -2754000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 8197000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4990000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -10619000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -1351000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -17894000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 18722000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 12691000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 26254000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 27934000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 28518000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 32282000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 34490000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 26125000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 28051000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 29676000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 20918000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 22229000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 23884000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 25241000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 26135000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 25495000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 33644000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -5667000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 18428000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 70000000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 98670000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 25790000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7148000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 10800000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 15845000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -8081000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1576000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 18104000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 20097000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 53000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -5984000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 255000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProceedsFromIssuanceOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Proceeds from issuing common stock",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash received from issuing common stock during the period. It is gross of costs only where the filer reports it so, and it does not include noncash issuances.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 398000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1904000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1075000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1430000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2156000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1839000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3902000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeasePayments",
      "taxonomy": "us-gaap",
      "label": "Operating lease payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid for operating lease liabilities during the period. It differs from lease expense recognized and excludes variable payments in some presentations.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3623000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3257000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3591000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4745000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5627000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5963000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInInventories",
      "taxonomy": "us-gaap",
      "label": "Change in inventories",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in inventories during the period. A positive value under this concept means inventory grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4694000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 10706000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -4410000,
          "accn": "0000950170-25-019711",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 10333000,
          "accn": "0000950170-24-015684",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -3745000,
          "accn": "0000950170-23-003076",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3519000,
          "accn": "0000950170-22-001428",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-17",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -273000,
          "accn": "0001564590-21-006637",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-18",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -2490000,
          "accn": "0001564590-20-005284",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-19",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 17460000,
          "accn": "0001564590-19-004862",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3672000,
          "accn": "0001564590-18-002349",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -4785000,
          "accn": "0001564590-17-001760",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 7347000,
          "accn": "0001338749-16-000089",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-12",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 325000,
          "accn": "0001338749-15-000008",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-13",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4228000,
          "accn": "0001338749-14-000007",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-14",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 385000,
          "accn": "0001338749-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-15",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -5223000,
          "accn": "0001338749-12-000006",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 10215000,
          "accn": "0001193125-11-043305",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/edad5edb3e443fae927bc8128cbc52490a6b73ff4a685c9ee169df14c9a48823.json.gz"
}
