{
  "schema": "canli.company-reference.v1",
  "cik": "0000899749",
  "name": "HRTI, LLC",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000899749.json",
  "source_sha256": "1fe0b3e9281e0dc78e468b6bf64b55536eb2f1ec863c1dc57f470e2a1c07f896",
  "fetched_at": "2026-09-22T19:32:44.217Z",
  "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": "2021-12-31",
          "val": 4258919000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3812260000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3563855000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3191247000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3193585000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3040647000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2810224000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2757510000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2729662000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2539972000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2521022000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2357309000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1935764000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-12-31",
          "val": 2073803000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1863884000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1663846000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1474605000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1403702000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1387233000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1567477000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1536456000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1484376000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1419028000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1516216000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1514569000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1145616000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-12-31",
          "val": 2185116000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1948376000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1900009000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1716642000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1789883000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1653414000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1242747000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1221054000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1243477000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1120944000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1004806000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 839010000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 786766000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-12-31",
          "val": 13175000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 15303000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 657000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 8381000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 6215000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 54507000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 4102000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3519000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 8671000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 6776000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 4738000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 113321000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 5851000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 4138000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 8519000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 66659000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 72195000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 39185000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 69771000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 23092000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 85571000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 69436000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 232629000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 470089000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 213138000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 208355000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 179766000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 151272000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 153983000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 125370000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 120797000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 116397000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 107852000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 87756000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 103214000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 105251000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 534817000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 499629000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 470298000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 450389000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 424737000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 411955000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 388471000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 370855000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 330949000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 297682000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 278598000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 249997000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 242801000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 206394000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 10291000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 7367000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 8073000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7992000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 7759000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 9750000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 327716000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 99723000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 197666000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -101162000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 31390000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 136957000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -87618000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -24934000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 89044000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -1105000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 80378000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 376852000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -3740000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 259243000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": -562473000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -555166000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -418528000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -105027000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -259448000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -237824000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -65782000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -105588000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -207946000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -113254000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -296813000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -357138000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -97761000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -368875000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 142637166,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 133930145,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 127999701,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 123292125,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 117926158,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 108572102,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 99171352,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 95279226,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 90940627,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 78844840,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 72720147,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 61722786,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 58199592,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 51547279,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 142710228,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 134006940,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 128083984,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 123350933,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 118017165,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 109386997,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 99880302,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 96759410,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 90940627,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 78844840,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 72720147,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 62770826,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 59047314,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 52564944,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.45,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.52,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.29,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0.55,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.18,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.79,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.7,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0.33,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0.08,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.07,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.13,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.88,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 0.81,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.45,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.52,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.29,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0.55,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.18,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.78,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.7,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0.33,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0.08,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.07,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.13,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.87,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 0.79,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 10729000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 9922000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 12275000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 10691000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 10028000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 7598000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 6029000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 4451000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5210000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3492000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2922000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2411000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3711000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 2780000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 53124000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 56174000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 55435000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 52804000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 56402000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 57351000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 65534000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 72413000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 73511000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 74955000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 75938000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 65710000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 43080000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 42126000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-12-31",
          "val": 3500000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3500000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3500000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3487000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3487000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3487000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 3487000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3487000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 3487000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 3500000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3500000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3500000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2021-12-31",
          "val": 14100000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 11200000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 13000000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 9700000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018Q4I",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 3803000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1436000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5097000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4532000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1686000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1756000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1367000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 10074000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 454000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 68000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 86000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 8000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 282000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2019-01-01",
          "end": "2019-12-31",
          "val": 394432000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 370016000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 335055000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 310003000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 283541000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 267100000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 243331000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 224592000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 213030000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 185149000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 180186000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 155488000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-12-31",
          "val": 150457000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "shares"
        },
        {
          "end": "2020-12-31",
          "val": 139487000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "shares"
        },
        {
          "end": "2019-12-31",
          "val": 134706000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "shares"
        },
        {
          "end": "2018-12-31",
          "val": 125279000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018Q4I",
          "unit": "shares"
        },
        {
          "end": "2017-12-31",
          "val": 125132000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2017Q4I",
          "unit": "shares"
        },
        {
          "end": "2016-12-31",
          "val": 116417000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2016Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-12-31",
          "val": 101517000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 98828000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 95924000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 87514000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 77843883,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 66071424,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "unit": "shares"
        },
        {
          "end": "2009-12-31",
          "val": 60614931,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "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": "2021-12-31",
          "val": 13175000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 15303000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 657000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 8381000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 6215000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 54507000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 4102000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3519000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2014Q4I",
          "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": "2014-12-31",
          "val": -2519000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 51000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -2092000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -3332000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011Q4I",
          "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": "2021-12-31",
          "val": 2185116000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1948376000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1900009000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1716642000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1789883000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1653414000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1242747000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1221054000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1245286000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1120944000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1004806000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 842740000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 790148000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 796247000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 631995000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2007Q4I",
          "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": "2021-12-31",
          "val": 128386000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 125198000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 126177000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "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": "2021-12-31",
          "val": 96138000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 92273000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-30",
          "val": 600000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 91574000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2021-12-31",
          "val": 1801325000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1602769000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1414069000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1345984000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1283880000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1264370000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1424992000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1403692000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1348459000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1293044000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1393537000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1407855000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1046422000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 66659000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 72195000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 39185000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 69771000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 23092000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 85571000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 69436000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 32200000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6983000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5535000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -184000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 8247000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 51148000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 41760000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 74510000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 60538000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 33912000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 70168000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 23194000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 85739000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 70386000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 29317000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 9089000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6705000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1723000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 7524000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 52959000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 20943000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 85571000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 69436000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 31887000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6946000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5465000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -214000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 8200000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 51091000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 41692000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "General and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "General and administrative costs reported under this concept, separate from selling expense. Filers group overhead differently, so compare presentation before comparing companies.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 34152000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 30704000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 34826000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 34511000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32992000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 31309000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 24716000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 22808000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 23704000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 20881000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20988000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 16886000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 22467000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 23514000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 170000000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 162400000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 152600000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 143800000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 129400000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 116500000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 106500000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 202714000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 190435000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 177859000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 164201000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 142472000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 127690000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 116614000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 116049000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 105318000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 101444000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 92388000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 77894000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 70921000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 54748000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 33700000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 29700000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 28000000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 23200000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 16600000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -9000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 559000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -711000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 533000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 658000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Total nonoperating income or expense, which can include interest, investment results and other items. A positive value is not operating profit.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -15089000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -7220000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -36681000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -10602000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -66590000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -16381000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -46094000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -69776000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -100710000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -73982000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -77111000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -63788000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -39351000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -35586000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 49443000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 52787000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 53978000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 45752000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 64395000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 560000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 557000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 549000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 642000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 555000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 544000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 758000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 593000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 768000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 627000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 522000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 533000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 674000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 612000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "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": "2021-01-01",
          "end": "2021-12-31",
          "val": 331119000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 142000000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 295946000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 611000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 248554000,
          "accn": "0000899749-20-000014",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-12",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 450503000,
          "accn": "0000899749-19-000020",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-13",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 66942000,
          "accn": "0000899749-18-000018",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-14",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 76856000,
          "accn": "0000899749-17-000031",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-15",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 220252000,
          "accn": "0000899749-16-000061",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 202352000,
          "accn": "0000899749-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 251916000,
          "accn": "0000899749-14-000008",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 118205000,
          "accn": "0000899749-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 26464000,
          "accn": "0001193125-12-096861",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 197255000,
          "accn": "0000950123-11-016562",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeasePayments",
      "taxonomy": "us-gaap",
      "label": "Operating lease payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid for operating lease liabilities during the period. It differs from lease expense recognized and excludes variable payments in some presentations.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 7706000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6912000,
          "accn": "0000899749-22-000019",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6972000,
          "accn": "0000899749-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/1fe0b3e9281e0dc78e468b6bf64b55536eb2f1ec863c1dc57f470e2a1c07f896.json.gz"
}
