{
  "schema": "canli.company-reference.v1",
  "cik": "0001020214",
  "name": "CERUS CORP",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001020214.json",
  "source_sha256": "48781e5ccd06b7d9984488c51a681c262823dcfe67ec6754bc10f19e45035240",
  "fetched_at": "2026-09-20T05:13:24.090Z",
  "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": 221859000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 200917000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 197748000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 218092000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 237499000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 221415000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 165535000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 163460000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 98244000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 103476000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 139402000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 81776000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 83381000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 48919000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 45367000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 48167000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 156894000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 144021000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 144304000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 149530000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 151882000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 117609000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 108483000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 78941000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 59304000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 45689000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 44637000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 40255000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 40586000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 29812000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 27054000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 24435000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 64224000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 56145000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 52650000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 67610000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 84619000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 103806000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 57052000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 84519000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 38940000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 57787000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 94765000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 41521000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 42795000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 19107000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 18313000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 23732000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 21448000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 34278000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 19961000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 20266000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 11647000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 35585000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 48759000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 36594000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 34986000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 28859000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 13683000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 22560000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 71018000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 22781000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 29485000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 26696000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 25497000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 28948000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 17287000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 10303000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "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": -15627000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -20918000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -37489000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -42779000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -54374000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -59857000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -71244000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -57564000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -60585000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -62906000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -55868000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -38755000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -43337000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -15917000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -16982000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -16911000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -24135000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 4837000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 11359000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -43168000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -25615000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -33922000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -41811000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -65499000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -31246000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -52235000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -53529000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -26797000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -13917000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -15632000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -14268000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -14547000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 3729000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2837000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4597000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2000000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 910000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1615000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 8935000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1144000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 353000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 563000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 722000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2106000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 663000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 81000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 158000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1692000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 191000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 51326000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 39275000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 34223000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 36416000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 39657000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 36786000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 33044000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 23109000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 17982000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "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": 233798000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 201321000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 186797000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 188315000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 159518000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 114249000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 93774000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 76051000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 51326000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 39275000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 231000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4964000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 10673000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4192000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 34294000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 91783000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 43487000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 92751000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 43000000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 24567000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 58643000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 14911000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 11618000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 25999000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 12208000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -6165000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -8130000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 8624000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 8464000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 12688000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -49558000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 28185000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -43848000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 421000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -19924000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -29057000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 205000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 563000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -70000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 9323000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": -1081155000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": -1065528000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -1044610000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -1007121000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -964342000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -909968000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -850111000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -778867000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -721303000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -660718000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -597812000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -541944000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -503189000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -459852000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -443935000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -426953000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 190594000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 184563000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 180270000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 176545000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 171279000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 163949000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 139831000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 131663000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 108221000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 101826000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 96068000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 74767000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 67569000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 54515000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 48050000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 40300000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 34750000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 190594000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 184563000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 180270000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 176545000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 171279000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 163949000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 139831000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 131663000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 108221000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 101826000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 96905000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 76534000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 67569000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 55061000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 48050000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 40300000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 34750000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.08,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.11,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.21,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.24,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -0.32,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.37,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.44,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.56,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.62,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -0.58,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.52,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.64,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.29,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -0.35,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.42,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -0.69,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.08,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.11,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.21,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.24,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -0.32,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -0.37,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -0.44,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -0.56,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -0.62,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -0.61,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.61,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.64,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.33,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -0.35,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -0.42,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -0.69,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 354000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 205000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 325000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 488000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 319000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 284000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 263000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 229000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3887000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 175000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -3671000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 195000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 218000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 242000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 143000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 94000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 9204000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 7154000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 8640000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 10969000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 12208000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 13867000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 14898000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 8130000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2119000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2985000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 3549000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3781000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2189000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1698000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2032000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 2390000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 22867000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 22867000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 20271000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 24456000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 23571000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 18029000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 13312000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 10394000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 9355000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 8065000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 6730000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 5153000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3268000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2541000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1850000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1828000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2046000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -8681000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -14225000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -30053000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -34081000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -48936000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -58333000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -66226000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -54988000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -57530000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -61447000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -61075000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -44503000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -28299000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -17300000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -15924000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -15958000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -23833000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "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": 174384000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 152022000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 144441000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 170144000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 187102000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 183431000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 128108000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 146902000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 89898000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 94105000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 130406000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 74885000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 78154000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 43996000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 39739000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 41755000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "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": 8386000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5831000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4923000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3746000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6065000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4008000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3022000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2445000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1705000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 599000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 332000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 551000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 964000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 689000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 10000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "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": 100801000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 63608000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 67521000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 117058000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 78556000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 59974000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 50336000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 52678000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 23131000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 26888000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 21862000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 29187000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 39424000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 25613000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 21114000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 19703000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "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": 28008000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 21695000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 23842000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 33002000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 35608000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 24213000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 22185000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 18595000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 10974000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 8587000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 5217000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 9882000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 5674000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 7186000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 4680000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3230000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2019-12-31",
          "val": 132000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 334000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 536000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 738000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 940000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1142000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1344000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1546000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1748000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 30374000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 29777000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 35500000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 34426000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 25129000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 21166000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 16882000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 8752000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 12415000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6868000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 5794000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 5493000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 6125000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 4444000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 6096000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 4792000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 148634000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 134798000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 146883000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 147442000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 144979000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 131425000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 126581000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 99405000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 86325000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 80427000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 71834000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 59731000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 45354000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 33470000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 30433000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 27021000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 29235000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 56101000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 38150000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 39868000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 29003000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 26793000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 23254000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 19490000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 13539000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 14457000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 12531000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 10812000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 14956000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 13063000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 10180000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 6444000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5957000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 16888000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 10759000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 15228000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 17055000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 16079000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 12067000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 9631000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 5402000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 80914000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 75891000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 75516000,
          "accn": "0001193125-26-085678",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 83335000,
          "accn": "0000950170-25-027906",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 81288000,
          "accn": "0000950170-24-026195",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-05",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 67015000,
          "accn": "0000950170-23-005558",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-01",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 66205000,
          "accn": "0000950170-22-001641",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-22",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 56841000,
          "accn": "0001564590-21-008958",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-25",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 52615000,
          "accn": "0001564590-20-005756",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-21",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 48955000,
          "accn": "0001564590-19-004542",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 45989000,
          "accn": "0001564590-18-004969",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-08",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 37729000,
          "accn": "0001564590-17-003711",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-08",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 29965000,
          "accn": "0001193125-16-498617",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 25665000,
          "accn": "0001193125-15-094038",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-16",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 23053000,
          "accn": "0001193125-14-089394",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-07",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 21577000,
          "accn": "0001193125-13-103031",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 21867000,
          "accn": "0001193125-12-096720",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-05",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/48781e5ccd06b7d9984488c51a681c262823dcfe67ec6754bc10f19e45035240.json.gz"
}
