{
  "schema": "canli.company-reference.v1",
  "cik": "0000766829",
  "name": "H2O AMERICA",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000766829.json",
  "source_sha256": "4363710f4851f4da9ee8956d51faebd84ae3341358784a114187b559050dd627",
  "fetched_at": "2026-09-19T15:02:51.801Z",
  "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": 5149566000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 4658309000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 4345067000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 3755056000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 3492395000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3311465000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3132470000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1956389000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1956389000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1443376000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1337325000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1269304000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1109986000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1087499000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1038810000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 935362000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 1540771000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1366974000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1233397000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1110868000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1034519000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 917160000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 889984000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 889312000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 463209000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 421646000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 383783000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 360155000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 321175000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 274604000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 264004000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 255032000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 252756000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 254326000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 20686000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 11114000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 9723000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 12344000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 10908000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 5269000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12944000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 420722000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 7799000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6349000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 5239000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2399000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2299000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2522000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 26734000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1730000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1416000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 3406000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 102578000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 93967000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 84987000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 73828000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 60478000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 61515000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 23403000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 38767000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 59204000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 52839000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 37882000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 51806000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 22384000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 22318000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20878000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 24406000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 15171000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "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": 244803000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 195526000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 190831000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 166199000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 130040000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 104051000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 130005000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 91343000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 101112000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 114571000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 98154000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 65911000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 63425000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 74367000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 64204000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 37167000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 54546000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "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": 800590000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 748439000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 670363000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 620698000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 573686000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 564526000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 420482000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 397699000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 389225000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 339706000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "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": 805594000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 736326000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 678168000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 586918000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 559568000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 549270000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 447720000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 389302000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 381777000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 328249000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 284870000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 145960000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 128820000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 78354000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 132805000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 101533000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 484988000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 468423000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -4789000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 27669000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 15296000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 31829000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 32122000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5618000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 36519000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 37910000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 7619000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -520101000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -340095000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -322272000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -244328000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -259995000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -214259000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -1017771000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -146843000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -113874000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -122129000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -110610000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -97640000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -95770000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -104197000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -75719000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -74763000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -64155000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "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": 581080000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 537184000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 495383000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 458356000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 428260000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 408037000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 383191000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 393918000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 376119000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 338386000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 302220000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 280773000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 244266000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 236453000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 227494000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 219568000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2010Q4I",
          "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": 35002252,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 32701292,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 31575197,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 30304557,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 29601284,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 28521900,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 28443052,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 21214277,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 20506960,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 20439957,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 20360663,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 20227297,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 19774589,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 18635206,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 18581762,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 18531458,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 18486536,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 35102487,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 32779573,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 31663274,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 30423735,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 29735533,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 28694986,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 28562546,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 21332387,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 20685118,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 20588973,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 20515643,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 20416734,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 19971236,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 18839231,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 18794066,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 18742315,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 18680458,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 2.93,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2.87,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2.69,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2.44,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2.04,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2.16,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.82,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1.83,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2.89,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.59,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1.86,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2.56,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.13,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.2,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.12,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.32,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.82,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "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": 2.92,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2.87,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2.68,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2.43,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2.03,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2.14,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.82,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1.82,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2.86,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.57,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1.85,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2.54,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.12,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1.18,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.11,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.3,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.81,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "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": 12355000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 8970000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5956000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 8496000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8369000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 8380000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 8454000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 10065000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 35393000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 33542000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 23272000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 24971000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 14135000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 15542000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 14566000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 16740000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 10280000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 1580000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1216000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 44102000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 44009000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 45081000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 50459000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 61434000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 62201000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 67819000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 65187000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 78542000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 80089000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 6444000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 5623000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4647000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4791000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4246000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3553000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3406000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2117000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2643000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1691000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1603000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1031000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 912000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 564000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 651000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 812000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 897000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 177527000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 170503000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 149435000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 130978000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 111159000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 117670000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 57479000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 73440000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 101851000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 97437000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 79960000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 92878000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 53407000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 55297000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 54391000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 38075000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 39680000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 190593000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 190714000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 198389000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 158386000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 134085000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 127331000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 122046000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 502722000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 66858000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 99611000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 73376000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 68093000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 39652000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 42911000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 68915000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 38027000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 66144000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 58062000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 54339000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 54255000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 31796000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 24332000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 22929000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2017",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 273378000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 261173000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 342974000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 268322000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 203271000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 350795000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 234567000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 163985000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 85052000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 63573000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 79623000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 44694000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 59195000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 49107000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 28288000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 29155000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 75427000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 56256000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 46121000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 29581000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 30391000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 34200000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 34886000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 24937000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 22960000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 18739000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 16196000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 7001000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 12587000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 8481000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 7417000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5487000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2010Q4I",
          "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": 640311000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 640311000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 640311000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 640311000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 640471000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 628144000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 628287000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1680000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "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": "2023-12-31",
          "val": 15057000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 16367000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 20650000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 21270000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 20245000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7059000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 6320000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 16341000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 15558000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 13781000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 13156000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 10701000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 10213000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 62471000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 68679000,
          "accn": "0001628280-26-012438",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 67870000,
          "accn": "0000766829-25-000009",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 59172000,
          "accn": "0000766829-24-000023",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-23",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 53699000,
          "accn": "0000766829-23-000041",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-24",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 46832000,
          "accn": "0000766829-22-000060",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 36305000,
          "accn": "0000766829-21-000047",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-01",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 19154000,
          "accn": "0000766829-20-000055",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-02",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 17305000,
          "accn": "0000766829-19-000063",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 16361000,
          "accn": "0000766829-18-000058",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 16390000,
          "accn": "0000766829-17-000043",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 14997000,
          "accn": "0000766829-16-000053",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 14496000,
          "accn": "0000766829-15-000009",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 12317000,
          "accn": "0000766829-14-000012",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 12541000,
          "accn": "0000766829-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 12491000,
          "accn": "0000766829-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-29",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/4363710f4851f4da9ee8956d51faebd84ae3341358784a114187b559050dd627.json.gz"
}
