{
  "schema": "canli.company-reference.v1",
  "cik": "0000788816",
  "name": "OGLETHORPE POWER CORP",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000788816.json",
  "source_sha256": "a55ab572c10eaedd93a8293d9188f1848b641342a0a3127fc23e75b53319056d",
  "fetched_at": "2026-09-21T17:16:33.950Z",
  "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": 17149799000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 16477538000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 16524851000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 16489370000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 15707026000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 14240156000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12990113000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 12183268000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 10928139000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 10701113000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 10059783000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 9448820000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 9095212000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 8314566000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 8078829000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 6997062000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2010Q4I",
          "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": 251119000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 337813000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 490592000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 595381000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 579350000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 405511000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 448612000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 752618000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 397695000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 366290000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 213038000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 237391000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 408193000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 298565000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 443671000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 672212000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 579069000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 167659000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "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": 55355000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 70501000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 65790000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 61704000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 57781000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 55895000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "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": 502074000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 428871000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 194517000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 546274000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 560506000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 511395000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 351361000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 489697000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 471300000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 325443000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 222176000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "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": 2541192000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2181847000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1740185000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2130137000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1604863000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1377618000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1430292000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1480113000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1434196000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1507231000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "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": 243956000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 69742000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 151729000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 579968000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1045546000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 974624000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 583118000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 850665000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -28891000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 524674000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 291956000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "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": -832724000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -650892000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -481435000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -1081611000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -1430413000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1529120000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -1238485000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -985439000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -411004000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -696865000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -538485000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "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": 536545000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 483496000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 277066000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 194051000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 194381000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 217709000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 217209000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 224976000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 238870000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 255664000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 257458000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 259397000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 231524000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 221833000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 237820000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 239249000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 224122000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "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": 1147079000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1109969000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1191687000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1330889000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1308050000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1053091000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 974465000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1323450000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1068903000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1061088000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 912871000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 898330000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1112933000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 778154000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 937967000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1067703000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "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": 515862000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 455474000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 417722000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 409145000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 403244000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 381242000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 374345000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 366892000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 354269000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 344561000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 313491000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 307482000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 296138000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 266641000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 240743000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "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": 1434530000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 936414000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1358453000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1495293000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1718008000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 941830000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 857263000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1064259000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 761005000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 823431000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 929069000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 789062000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 715940000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1031472000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 972129000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 810189000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "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": 248499000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 138537000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 117272000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 203705000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 182164000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 162249000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 165049000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 206577000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 212868000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 73801000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 157432000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 98337000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 101529000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 145451000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 134095000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 139614000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
      "taxonomy": "us-gaap",
      "label": "Cash including restricted cash",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cash, cash equivalents and restricted cash as reported in the cash flow reconciliation. Restricted amounts are not freely available, so this is not the same as unrestricted cash.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 251619000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 338313000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 490592000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 625781000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 581150000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 405511000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 448612000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 752618000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 397695000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 366290000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 213038000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": -370000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 58000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 468000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -549000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 903000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 618000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -469000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseRightOfUseAsset",
      "taxonomy": "us-gaap",
      "label": "Operating lease right-of-use asset",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of the right to use leased assets under operating leases. It reflects discounted remaining payments, not the value of the underlying property.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 7357000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 7723000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6587000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 3326000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2293000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3283000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3237000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeaseLiability",
      "taxonomy": "us-gaap",
      "label": "Operating lease liability",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Present value of remaining operating lease payments. Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 7357000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 7669000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 6681000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 3420000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2388000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3378000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3545000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 12566059000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 12643088000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 12096552000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 9726428000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 9347307000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8232703000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 7256995000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 6954293000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 5930449000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5692503000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 4796154000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 15571000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 12818000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 16574000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 16489000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 23517000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 31067000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 42134000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 35106000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 30981000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 30623000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 36058000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 39741000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 63288000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 58524000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 51452000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 41604000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 45472000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 44218000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 18335000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 51409000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 62286000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 33839000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 9862000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 8098000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 18884000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 32919000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 16913000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 12667000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 16894000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 16073000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 16175000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 13416000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ContractWithCustomerLiabilityCurrent",
      "taxonomy": "us-gaap",
      "label": "Current contract liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Consideration received before performance obligations are satisfied, often called deferred revenue. It is an obligation to deliver, not earned revenue or cash available.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 28453000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 31258000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 31406000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 54443000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 26102000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 46068000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 77066000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 224957000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 733043000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 669178000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 715670000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 693852000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 585837000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 444015000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 395147000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 360906000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 306281000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 459519000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 457504000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 448663000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 443968000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 366726000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 348735000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProfitLoss",
      "taxonomy": "us-gaap",
      "label": "Profit or loss including noncontrolling interests",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income or loss including the portion attributable to noncontrolling interests. It can differ from the net income attributable to the parent that per-share figures use.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 57781000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 55895000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 54461000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 51199000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 51277000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 50345000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 48341000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 54461000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 51199000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 51647000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 49917000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 47931000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 47652000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 40028000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 39605000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 38824000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 34517000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 26485000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 57781000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 55895000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 54461000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 51199000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 51277000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 50345000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 48341000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 46635000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 41480000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 39320000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 37737000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 33733000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 26390000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 424243000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 404178000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 321047000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 278452000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 269280000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 242822000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 237447000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 227213000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 218027000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 211282000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 180866000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 178302000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 171240000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 164901000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 165603000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 161395000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DepreciationDepletionAndAmortization",
      "taxonomy": "us-gaap",
      "label": "Depreciation, depletion and amortization",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Combined depreciation, depletion and amortization for the period. A noncash allocation of asset cost, not a measure of maintenance spending.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 313320000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 313449000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 296546000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 301442000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 321715000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 250723000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 225423000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpenseNonoperating",
      "taxonomy": "us-gaap",
      "label": "Nonoperating interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Interest expense presented outside operating results. It differs from total interest expense when some borrowing cost is classified as operating or capitalized.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 538569000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 521525000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 515862000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 455474000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 6699000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7563000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 8258000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 12191000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 23148000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5238000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2448000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 5413000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 6291000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2671000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 9143000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -310000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -723000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 214000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 38000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -564000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2849000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Total nonoperating income or expense, which can include interest, investment results and other items. A positive value is not operating profit.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 44482000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 67390000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 81049000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 72244000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 71254000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 50695000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 64189000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 68262000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 64985000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 56903000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 52030000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 46371000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 43433000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 61487000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 44264000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 43651000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 42728000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 503688000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 492055000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 278952000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 182066000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 170605000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 193063000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 208892000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 245085000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 251186000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 212574000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 240817000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 237107000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 213404000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 246705000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 196629000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 187958000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 193897000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingLeasePayments",
      "taxonomy": "us-gaap",
      "label": "Operating lease payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid for operating lease liabilities during the period. It differs from lease expense recognized and excludes variable payments in some presentations.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 2429000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2381000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1410000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1009000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1129000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1540000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3710000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInInventories",
      "taxonomy": "us-gaap",
      "label": "Change in inventories",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in inventories during the period. A positive value under this concept means inventory grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 16480000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 34717000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 38562000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 36235000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -23232000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2409000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 18597000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -5487000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 6388000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -23947000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 28403000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -15319000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 22219000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 17154000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 40774000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -38022000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 29703000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsPayable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts payable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in payables during the period. A positive value under this concept means payables grew and added to operating cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 35173000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 29156000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -104164000,
          "accn": "0000788816-26-000009",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 7008000,
          "accn": "0001628280-25-015552",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-31",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 31790000,
          "accn": "0001628280-24-012944",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-25",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1504000,
          "accn": "0001628280-23-009308",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -27668000,
          "accn": "0001628280-22-007375",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1360000,
          "accn": "0001628280-21-005217",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 129187000,
          "accn": "0001628280-20-003884",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-23",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -76495000,
          "accn": "0001047469-19-001779",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-29",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -37155000,
          "accn": "0001047469-18-002324",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -22488000,
          "accn": "0001047469-17-002021",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-27",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -32665000,
          "accn": "0001047469-16-011663",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -12714000,
          "accn": "0001047469-15-002793",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 8617000,
          "accn": "0001047469-14-003077",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -729000,
          "accn": "0001047469-13-003237",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -1876000,
          "accn": "0001047469-12-002920",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-20",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/a55ab572c10eaedd93a8293d9188f1848b641342a0a3127fc23e75b53319056d.json.gz"
}
