{
  "schema": "canli.company-reference.v1",
  "cik": "0001368757",
  "name": "GTJ REIT, INC.",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001368757.json",
  "source_sha256": "4f5d47878f4c3e6932072118f54d4c6c47357f558d40af2ffb07d858c7fabf8c",
  "fetched_at": "2026-09-21T17:19:11.584Z",
  "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": "2025-12-31",
          "val": 557560000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 532799000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 507237000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 521117000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 504397000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 512093000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 504809000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 507370000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 521541000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 487927000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 465709000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 394757000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 332189000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 129758000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 132891000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 140514000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "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": "2025-12-31",
          "val": 537490000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 511234000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 475623000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 454966000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 428193000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 427796000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 419160000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 417655000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 423955000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 380436000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 353878000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 262092000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 197753000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 58229000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 51446000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 52023000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "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": "2025-12-31",
          "val": 15425000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 16594000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 24888000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 34731000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 42296000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 49964000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 50420000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 53490000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 58788000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 63937000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 43305000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 56789000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 57876000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 71529000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 81445000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 88491000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 90314000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 90355000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2008Q4I",
          "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": "2025-12-31",
          "val": 28834000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 29380000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 27913000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 59504000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 27623000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 42255000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 26853000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 21175000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8423000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 15932000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15005000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 8437000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 6588000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 3349000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 8684000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 11137000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 10528000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 8909000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2008Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 16949000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7266000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 9485000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 15425000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6370000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5556000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4480000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1813000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2349000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2634000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -6563000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3235000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -8017000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4132000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 28516000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 26291000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 25712000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 21799000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 19903000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 17766000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 19815000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 18705000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 17880000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1047000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2723000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 5125000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 5437000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2017-01-01",
          "end": "2017-12-31",
          "val": 43824000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 27038000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 76170000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 49556000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 911000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 84045000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 78750000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 75273000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 65534000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 62181000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 58355000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 56553000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 56901000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 53172000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 49697000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 47728000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 39342000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 34504000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 13940000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 14278000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 14263000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 22973000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 346000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 11795000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -25452000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -11768000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -20521000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1060000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -12416000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -16734000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 27678000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -1129000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -5696000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -3271000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -4436000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": -28973000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -37876000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -31437000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 21789000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -14629000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1874000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -3384000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 11205000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -52180000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -2399000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 134000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 651000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1277000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 13347214,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 13336879,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 13331273,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 13356688,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 13555761,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 13589374,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 13545242,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 13578515,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 13646345,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 13858540,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 13772429,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 13561661,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 13503120,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 13472281,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 13529317,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 13521767,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 13516162,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 13442087,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 13641160,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 13615223,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 13582690,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 13599602,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 13668680,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 13889739,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 13772429,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 13561661,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 13503120,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 13472281,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 1.27,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0.54,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.71,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1.15,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.47,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 1.25,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0.54,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.7,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1.15,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.47,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "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": 0,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 54000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 45000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -101000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2012-12-31",
          "val": 1007000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1274000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1406000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 2335000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2297000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1914000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1504000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1080000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 784000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 728000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 672000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 718000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 539000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 528000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 361000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 413000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 373000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 375000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 437000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 126000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 46691000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 32958000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 34195000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 39733000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 26560000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 25423000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 23916000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 17966000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 20526000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 19988000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 18969000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 14968000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 4899000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7369000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4175000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 7125000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 8052000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 27370000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 26560000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 24570000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 19453000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 17125000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 17313000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 17829000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 18294000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 16389000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 15334000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 13983000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 9960000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 8412000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2690000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2546000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2175000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1861000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 2758000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2693000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2067000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2000000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6279000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1322000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1035000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1038000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1248000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 20000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 115000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 45023000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 45792000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 41078000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 40394000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 35621000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 32932000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 32637000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 41234000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32646000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 29709000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 28759000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 24374000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 29605000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6571000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10103000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 7138000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 14921000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-12-31",
          "val": 13345167,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "shares"
        },
        {
          "end": "2024-12-31",
          "val": 13345980,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "shares"
        },
        {
          "end": "2023-12-31",
          "val": 13326965,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "shares"
        },
        {
          "end": "2022-12-31",
          "val": 13333757,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "shares"
        },
        {
          "end": "2021-12-31",
          "val": 13333335,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "shares"
        },
        {
          "end": "2020-12-31",
          "val": 13627220,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "shares"
        },
        {
          "end": "2019-12-31",
          "val": 13537856,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019Q4I",
          "unit": "shares"
        },
        {
          "end": "2018-12-31",
          "val": 13569664,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018Q4I",
          "unit": "shares"
        },
        {
          "end": "2017-12-31",
          "val": 13594125,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017Q4I",
          "unit": "shares"
        },
        {
          "end": "2016-12-31",
          "val": 13618884,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-12-31",
          "val": 13820434,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 13729228,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 13678704,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 13648084,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 13587051,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 13529131,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "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": "2012-12-31",
          "val": 281000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 309000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 418000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Total equity including noncontrolling interests",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Equity including the portion attributable to noncontrolling interests. It is larger than or equal to parent stockholders equity and is not market capitalization.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 20070000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 21565000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 31614000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 66151000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 76204000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 84297000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 85649000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 89715000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 97586000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 107491000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 111831000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 132665000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 134436000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 71529000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 81445000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2011Q4I",
          "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": "2025-12-31",
          "val": 2005000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 2285000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2555000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2816000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 3042000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-10-01",
          "val": 3100000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 0,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-01-01",
          "val": 541000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "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": "2025-12-31",
          "val": 2212000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 2486000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2739000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2973000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 3134000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-10-01",
          "val": 3100000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 0,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-01-01",
          "val": 541000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "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": "2025-12-31",
          "val": 465162000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 475172000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 369423000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 345466000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 361687000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 361583000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 361332000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 361217000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 370194000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 335694000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 335865000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 178930000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2013Q4I",
          "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": "2025-12-31",
          "val": 5701000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 5707000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 5836000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 4726000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 6138000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 7873000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 9713000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 11982000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 14576000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 14389000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 16036000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 15619000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 16528000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 478000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1296000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2010Q4I",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 20271000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 8599000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 11264000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 21992000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 9607000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8267000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6679000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2432000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3596000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4140000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -9985000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 4876000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -7283000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4132000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "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": "2014-01-01",
          "end": "2014-12-31",
          "val": 3235000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -8298000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4160000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1725000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3144000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4144000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -8017000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4132000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1616000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3093000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4069000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "General and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "General and administrative costs reported under this concept, separate from selling expense. Filers group overhead differently, so compare presentation before comparing companies.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 13496000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 16549000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 11795000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 12617000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8968000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8106000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7537000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7479000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 8802000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 7232000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 6416000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 6195000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6341000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 4056000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 8020000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4771000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 6043000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 11270000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 10445000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 10461000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 9891000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 9792000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 9681000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9641000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 10470000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 9944000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 8909000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 8001000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 6961000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5647000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1030000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "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": "2012-01-01",
          "end": "2012-12-31",
          "val": 1163000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1204000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1278000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1439000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2012-01-01",
          "end": "2012-12-31",
          "val": 478000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 818000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 818000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 818000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 698000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1980000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1450000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1559000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 40000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 25000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 426000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 297000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -343000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -514000,
          "accn": "0001564590-18-007123",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -95000,
          "accn": "0001564590-17-005642",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-30",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -132000,
          "accn": "0001564590-16-015488",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -174000,
          "accn": "0001564590-15-002044",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-27",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 754000,
          "accn": "0001193125-14-111750",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -22000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 842000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -96000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Total nonoperating income or expense, which can include interest, investment results and other items. A positive value is not operating profit.",
      "observations": [
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -3247000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -2650000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -1541000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -4243000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 25302000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 24138000,
          "accn": "0001193125-26-115837",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-19",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 22912000,
          "accn": "0000950170-25-042607",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 17700000,
          "accn": "0000950170-24-034640",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 16143000,
          "accn": "0000950170-23-009715",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-24",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 16262000,
          "accn": "0001564590-22-011776",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-25",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 16819000,
          "accn": "0001564590-21-015549",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-25",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 17098000,
          "accn": "0001564590-20-012566",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 15254000,
          "accn": "0001564590-19-009831",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-28",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsReceivable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts receivable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in receivables during the period. A positive value under this concept means receivables grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 39000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 121000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -1084000,
          "accn": "0001047469-13-003737",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-01",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -454000,
          "accn": "0001047469-12-003603",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-30",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/4f5d47878f4c3e6932072118f54d4c6c47357f558d40af2ffb07d858c7fabf8c.json.gz"
}
