{
  "schema": "canli.company-reference.v1",
  "cik": "0000766704",
  "name": "WELLTOWER INC.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000766704.json",
  "source_sha256": "cad053413d5a741d34e5fcc74da09bb64b8f35e75c397b45c9244852924b428f",
  "fetched_at": "2026-09-19T15:02:48.248Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 67303047000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 51044308000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 44012166000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 37893233000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 34910325000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 32483642000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 33380751000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 30342072000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 27944445000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 28865184000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 29023845000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 24962923000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 23083957000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 19549109000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 14924606000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 9451734000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 6367186000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 24100108000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 18471722000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 17640439000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 16499237000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 15912452000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 15258580000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 16398247000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 14331427000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 12643799000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 13185279000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 13664877000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 11403465000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 11292587000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 8993998000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 7612309000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 4714081000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 2559735000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 42129498000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 31956208000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 25404376000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 20294814000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 17636001000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 15972719000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 15540444000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 14632334000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 14423147000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 14806393000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 14590560000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 13175153000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 11414583000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 10294801000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 7124764000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 4602851000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 3797039000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 5033678000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 3506586000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1993646000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 631681000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 269265000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1545046000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 284917000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 215376000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-07-26",
          "val": 381913000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 243777000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 419378000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 422690000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 553423000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 158780000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1033764000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 163482000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 131570000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 35476000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 23370000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 30269000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "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": "2011-01-01",
          "end": "2011-12-31",
          "val": 217610000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 128527000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 193269000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 283299000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 2881677000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2256421000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1601861000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1328708000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1275325000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1364756000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1535968000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1583944000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1434177000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1639064000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1382599000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1138670000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 988497000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 818133000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 588224000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 364741000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 381259000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 360683000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 10838034000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7991118000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 6637995000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5860615000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4742115000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4605967000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5121306000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4700499000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4316641000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4281160000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3859826000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3343546000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2880608000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1805044000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1313182000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 578571000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 523288000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 504525000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 8452996000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 6027149000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4753804000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4173711000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3197223000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 8999760000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4905351000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5448647000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2761277000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1567664000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -2080858000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 577150000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 818368000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -1913527000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -1250817000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1997318000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1303172000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1667670000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3645128000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 3963817000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2043392000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -99093000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 667943000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -10512749000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -5514681000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -5707742000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -3703815000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -4516268000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2347928000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2048791000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -2386471000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 154581000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -183443000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -3502075000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -2126206000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -3531593000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -3592979000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -4520129000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -2312039000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -270060000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -1035525000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 11033569000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 10096724000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 9145044000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 8804950000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 8663736000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 8327598000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 7353966000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 6121534000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5316580000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 665639000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 602975000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 515629000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 462185000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 424976000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 415451000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 401845000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 373620000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 367237000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 358275000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 348240000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 306272000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 276929000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 224343000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 173741000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 127656000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 114207000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 93732000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 679521000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 608750000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 518701000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 465158000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 426841000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 417387000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 403808000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 375250000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 369001000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 360227000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 349424000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 307747000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 278761000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 225953000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 174401000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 128208000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 114612000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 94309000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1.41,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1.58,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.66,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0.31,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.79,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2.36,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3.07,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2.03,
          "accn": "0000766704-21-000018",
          "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": 1.26,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.83,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2.35,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1.46,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0.28,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.99,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.9,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.84,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.5,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 2.77,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1.39,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1.57,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.66,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0.3,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.78,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2.33,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3.05,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2.02,
          "accn": "0000766704-21-000018",
          "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": 1.26,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.81,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2.34,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1.45,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0.28,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.98,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.9,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.83,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.49,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 2.76,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -7116000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2700000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 6364000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 7247000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8713000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 9968000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2957000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 8674000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 20128000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -19128000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 6451000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1267000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 7491000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7612000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1388000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 364000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 168000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1306000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1556732000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 75821000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 37199000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 26149000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 17812000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 28318000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 25047000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 27646000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 19102000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 28869000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 30844000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 32075000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 20177000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 18521000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10786000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 11823000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 9633000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 8530000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "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": "2025-12-31",
          "val": 346316000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 149225000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 68321000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 68321000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 68321000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 68321000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 68321000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 68321000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 68321000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 68321000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 68321000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 68321000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 68321000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 68321000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 68321000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 51207000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 0,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2017-12-31",
          "val": 377034000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 436170000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 469489000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 7656000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "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": "2018-01-01",
          "end": "2018-12-31",
          "val": 4277009000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4017025000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3571907000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3223709000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2959333000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2778363000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1619132000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1200979000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 542071000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 378108000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 374632000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1748435000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 235491000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 179091000,
          "accn": "0000766704-26-000010",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 150390000,
          "accn": "0000766704-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 126727000,
          "accn": "0000766704-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-15",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 128394000,
          "accn": "0000766704-23-000010",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-21",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 126549000,
          "accn": "0000766704-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 126383000,
          "accn": "0000766704-21-000018",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-10",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 122008000,
          "accn": "0000766704-20-000015",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 155241000,
          "accn": "0000766704-19-000014",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-25",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 147416000,
          "accn": "0000766704-18-000012",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 142943000,
          "accn": "0000766704-17-000012",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 108318000,
          "accn": "0000766704-16-000055",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 97341000,
          "accn": "0000766704-15-000012",
          "fy": 2014,
          "fp": "Q4",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 77201000,
          "accn": "0000766704-14-000006",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-21",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 54626000,
          "accn": "0000766704-13-000006",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 49691000,
          "accn": "0000950123-12-002707",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 47193000,
          "accn": "0000950123-11-028671",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-03-24",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/cad053413d5a741d34e5fcc74da09bb64b8f35e75c397b45c9244852924b428f.json.gz"
}
