{
  "schema": "canli.company-reference.v1",
  "cik": "0001282977",
  "name": "GREENHILL & CO., INC.",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001282977.json",
  "source_sha256": "68134c17011873c1d96318f94eea81d70f1db6f561d2b2e039013efaae2b0637",
  "fetched_at": "2026-09-22T19:42:35.448Z",
  "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": "2022-12-31",
          "val": 552789000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 568632000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 585799000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 494375000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 485700000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 610817000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 456682000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 423144000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 336956000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 353446000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 386970000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 460740000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 508677000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 334160000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 471825000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 463697000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 497732000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 449700000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 423337000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 402515000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 165499000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 139788000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 81408000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 75736000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 83458000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 113189000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 135815000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 100607281,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": "2022-12-31",
          "val": 80964000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 104935000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 88067000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 44675000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 62363000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 208302000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 291183000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 283356000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 255548000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 276668000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 302159000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 346201000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 370480000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 232051994,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": "2022-12-31",
          "val": 104336000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 134624000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 112703000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 113975000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 156374000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 267646000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 98313000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 69962000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 50940000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 42679000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 50324000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 62050000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 78227000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 74473000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 62849000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 191670516,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2007Q4I",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 3274000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 42312000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 31334000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 10978000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 39222000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -26651000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 27532000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 130684000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 84006000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 14332000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 116294000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 15172000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 124234000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 92751000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 103289000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 67785000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 94751000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 97713000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 68157000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 61446000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -13945368,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 6786000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4770000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 17015000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1648000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2124000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2555000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1737000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2242000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2439000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1151000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2833000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2941000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 8127000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4674000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 2848984,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 311678000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 301012000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 351985000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 239182000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 335519000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 261560000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 275234000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 287152000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 285079000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 293993000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 278329000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 298645000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 221873047,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 258454000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 317539000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 311678000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 301012000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 351985000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 237997000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 334787000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -48862000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -104474000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -66115000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -56877000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -222332000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 150990000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -87283000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -38836000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -90599000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -110210000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -142635000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -160144000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -62722000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -52106000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -64756452,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": -6786000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -3548000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -18137000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -1409000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -618000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -2334000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -800000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -33531000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1809000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 35802000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 35998000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 46704000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -6758000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 220000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -37176804,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 125994000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 132559000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 95424000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 69093000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 63427000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 37595000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 111798000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 109860000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 141290000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 152412000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 159918000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 173374000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 184621000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 206974630,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 18165345,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 19138808,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 18939210,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 24024674,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 26813285,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32074894,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 32042594,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 31197288,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 30354227,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 30134430,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 30553460,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 31020894,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 30726628,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 29663616,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 28166520,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 21892864,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 24505712,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 23078451,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 24272479,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 27637720,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32074894,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 32074232,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 31200378,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 30357691,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 30160669,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 30561682,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 31034817,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 30776034,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 29753609,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 28214015,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 0.18,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2.21,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1.65,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.46,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1.46,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.83,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1.9,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.82,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1.43,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.55,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.38,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.44,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.12,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.4,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.74,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0.15,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1.73,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1.36,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.45,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1.42,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.83,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1.89,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.82,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1.43,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.55,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.38,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.44,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.12,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.39,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.74,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1827000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 16799000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8427000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7445000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 19208000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 26353000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 27119000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 17697000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 24082000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 24524000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 28383000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 24086000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 19530000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 42736000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 29391962,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 27040000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 22919000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 21242000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6281000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7185000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8602000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 8764000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 9783000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 10335000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 11500000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 14404000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 15995000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 17563000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 12794680,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 20570000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 71257000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 55248000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 45843000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 80868000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 6900000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 91108000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 45773000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 15469000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 12146000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 15487000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 27420000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 22438000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 7198000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3227000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2478000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1238000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 996000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1016000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2040000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2077000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1295000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3580292,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 202708000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 210038000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 215936000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 205992000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 205922000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 217737000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 208186000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 209024000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 130976000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 142972000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 164890000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 161664000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 162507000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 18721000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 39936000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 45121000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 23257000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 69439000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 195299000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 79561000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 28186000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 11902000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 36179000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 55406000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 83165000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 65784000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 37211000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 9646000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 21832102,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 237884000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 246282000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 256430000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 255169000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 271117000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 232282000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 244411000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 215787000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 207764000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 215946000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 214604000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 225323000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 219378000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 184751000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 144014685,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 17768705,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "shares"
        },
        {
          "end": "2021-12-31",
          "val": 18066226,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "shares"
        },
        {
          "end": "2020-12-31",
          "val": 19001605,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "shares"
        },
        {
          "end": "2019-12-31",
          "val": 18355907,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "shares"
        },
        {
          "end": "2018-12-31",
          "val": 20404996,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "shares"
        },
        {
          "end": "2017-12-31",
          "val": 27084520,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "shares"
        },
        {
          "end": "2016-12-31",
          "val": 28981189,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-12-31",
          "val": 29325374,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 28053563,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 27767702,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 27488828,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 28647312,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 29341604,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "shares"
        },
        {
          "end": "2009-12-31",
          "val": 27977623,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
      "taxonomy": "us-gaap",
      "label": "Cash including restricted cash",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cash, cash equivalents and restricted cash as reported in the cash flow reconciliation. Restricted amounts are not freely available, so this is not the same as unrestricted cash.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 104336000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 134624000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 112703000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 113975000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 156374000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 267646000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 98313000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2016Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": -38856000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -30443000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -25501000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -34115000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -35705000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -22222000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -32398000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -28405000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -17969000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -9361000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 6624000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3128000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5127000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": -8737728,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": "2015-12-31",
          "val": 284050000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 256242000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 277710000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 303512000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 347554000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 372862000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 233554000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 200066800,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008Q4I",
          "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": "2022-12-31",
          "val": 88333000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 73837000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 76440000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 28346000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "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": "2022-12-31",
          "val": 107637000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 92691000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 95097000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 30750000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 42680000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 42987000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 38696000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 54016000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 52217000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 70676000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 67761000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 68300000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 68826000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 68451000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 69164000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 66188000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 63377000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 15640000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 20068000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 17454000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 47735000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 45032000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 62074000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 58997000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 58517000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 58491000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 56951000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 54760000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 50193000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 45814000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 39800000,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IntangibleAssetsNetExcludingGoodwill",
      "taxonomy": "us-gaap",
      "label": "Net intangible assets excluding goodwill",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Intangible assets other than goodwill after amortization and impairment. Internally developed intangibles are usually not recognized, so this understates what a company relies on.",
      "observations": [
        {
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 50000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 300000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 775000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 75196000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 58579000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 65033000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 51278000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 43706000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 42345000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 62108000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 56072000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 50244000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 54202000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 47512000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 48307000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 47842000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 40101916,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxLiabilitiesNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax liabilities net of related assets under this concept. The amount reflects timing differences and is not tax currently due.",
      "observations": [
        {
          "end": "2022-12-31",
          "val": 36754000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 31745000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 26073000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12004000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3990000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "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": "2018-01-01",
          "end": "2018-12-31",
          "val": 39222000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -26651000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 60762000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 25598000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 43388000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 46682000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 42092000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 44584000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 39421000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 71158000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 48466400,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": -5139000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 37370000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 39948000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 12568000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 25739000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -16475000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 56769000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 15162000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 34780000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 30697000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 45588000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 42579000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 48391000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 79911000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 26842231,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 3274000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 42312000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 31334000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 10978000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 39222000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -26651000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 60762000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 25598000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 43388000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 46682000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 42092000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 44578000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 34526000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 71240000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 48978070,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 4358000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4792000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3951000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4487000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 5175000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3114000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3243000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 12300000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2891000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8435000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 8260000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 13773000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 11759000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 34576000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 23755000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 20449000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 32234000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 46615000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 29624000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 22515000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 31796000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -10473000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 13908000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -8000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -815000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 5435000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 14594000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -7457000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -6058000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3633000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -7710000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -18232000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -5538000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -2985000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 10940000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": 13542000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 10417000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 14386000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 21511000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 20945000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 6567000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2944000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2438309,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1253309,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 3444615,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 6279000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1424000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 13515000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6201000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 10299000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 26026000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 28979000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 14445000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 26079000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 32521000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 36158000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20840000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 12195000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 41708000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 54371677,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProceedsFromIssuanceOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Proceeds from issuing common stock",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash received from issuing common stock during the period. It is gross of costs only where the filer reports it so, and it does not include noncash issuances.",
      "observations": [
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 20000000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 67274143,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "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": "2022-01-01",
          "end": "2022-12-31",
          "val": -11619000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -29021000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3578000,
          "accn": "0001282977-23-000012",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 17170000,
          "accn": "0001282977-22-000005",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -2451000,
          "accn": "0001282977-21-000010",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -3896000,
          "accn": "0001282977-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3710000,
          "accn": "0001282977-19-000005",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -17341000,
          "accn": "0001282977-18-000002",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -3465000,
          "accn": "0001282977-17-000002",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 30792000,
          "accn": "0001282977-16-000016",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1170000,
          "accn": "0001282977-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 23088000,
          "accn": "0001282977-14-000005",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2019000,
          "accn": "0001282977-13-000007",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -235000,
          "accn": "0001193125-12-084108",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -497583,
          "accn": "0000950123-11-019920",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/68134c17011873c1d96318f94eea81d70f1db6f561d2b2e039013efaae2b0637.json.gz"
}
