{
  "schema": "canli.company-reference.v1",
  "cik": "0000949858",
  "name": "Achieve Life Sciences, Inc.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000949858.json",
  "source_sha256": "99bc74bd7159630b925b01f21dc60b0899467b369bb5a1524cbbfa411e86b911",
  "fetched_at": "2026-09-20T05:10:47.545Z",
  "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": 41790000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 38633000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 19371000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 29971000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 47516000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 40298000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 21078000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 19084000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 9892000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3807000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 58209000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 56291000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 55689000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 82016000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 68015000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 89918000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 20272000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 17734000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 20819000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 21668000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 19474000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3012000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3028000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3282000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2013000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3197000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 20769000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 22232000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 18478000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 15809000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 37125000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 45793000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 21518000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 20899000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -1448000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 8303000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 28042000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 37286000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 18050000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 15802000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 15802000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 610000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1840000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-05-12",
          "val": 0,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 34059000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 37211000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 66207000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 30890000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 44125000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 22959000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 10707000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 20929000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 12753000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 15546000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 24771000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 43022000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 35853000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 16664000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 9515000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5284000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 15000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 34310000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 27897000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 14593000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 18075000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 28517000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 23533000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 62051000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 7618000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": -54648000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -39827000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -29815000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -42350000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -33152000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -14730000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -16395000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -12687000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -10583000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -1234000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -828000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -26240000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -31849000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -21098000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -14673000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -12584000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -5476000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": -49465000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -29770000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -24479000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -37569000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -29440000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -13474000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -15216000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -10623000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -9107000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -202000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -35927000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -43493000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -20263000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -26840000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 34878000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 3000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 21000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 17000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 53000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 46000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 46000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 371000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 82000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 253000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 291000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 79000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 68000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 15000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "frame": "CY2009",
          "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": 51527000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 48527000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 15278000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 19315000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 36610000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 32680000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 17325000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 19757000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2001000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 150000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 10000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 54239000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 219000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 47481000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 17347000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 6111000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -21580000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -21000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -17000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5036000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -5125000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 12648000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 32426000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -21188000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 25068000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -59126000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2229000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": -260226000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": -205578000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -165751000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -135936000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -93586000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -60434000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -45704000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -25381000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -12694000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -2062000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -176811000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -159958000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -133689000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -101840000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -80742000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -66069000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 43594652,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 32071146,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 19827534,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10593034,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8119836,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2718909,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "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": 43594652,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 32071146,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 19827534,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10593034,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8119836,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2718909,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -1.25,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -1.24,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1.5,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -4,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -4.08,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -5.42,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -1.25,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -1.24,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1.5,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -4,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -4.08,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -5.42,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 0,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -3000000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3011000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 3000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 8000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 13000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 4000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 15000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 42000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 57000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 35000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 59000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 258000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 602000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 257000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 397000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 371000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 180000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 87000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 8761000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 5325000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3439000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3270000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2187000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1286000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1201000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 854000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 348000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1649000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2328000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3860000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2834000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2175000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1188000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 642000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 380000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": 39889000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 36467000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 16982000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 27330000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 44594000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 36975000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 17334000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 15537000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 5908000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 18000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 57298000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 55761000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 53867000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 80179000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 66949000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 89318000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "frame": "CY2010Q4I",
          "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": 9082000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 6682000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 20813000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 21599000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 4550000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2935000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2869000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3270000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2013000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3073000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 20664000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 22218000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 14934000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 11556000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 30786000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 27476000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": "2024-12-31",
          "val": 1950000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 618000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1660000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 841000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 332000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 859000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 144000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 213000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 95000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1343000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 72000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 139000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1329000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "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": "2025-12-31",
          "val": 751000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 974000,
          "accn": "0001193125-26-120690",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-24",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1197000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1418000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1641000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1864000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2087000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2310000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 2532000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2755000,
          "accn": "0001564590-18-004159",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-01",
          "frame": "CY2016Q4I",
          "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": "2019-12-31",
          "val": 8000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 9000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 478000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 14000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 5676000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 8657000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 714000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 449000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1224000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 36913000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 56582000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 65209000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 22817000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 15814000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 30078000,
          "accn": "0000950170-25-036831",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-11",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 23966000,
          "accn": "0000950170-24-038049",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6882000,
          "accn": "0001564590-23-003800",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9674000,
          "accn": "0001564590-22-009485",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-10",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 5868000,
          "accn": "0001564590-21-012523",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3101000,
          "accn": "0001564590-20-010642",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-13",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 286000,
          "accn": "0001564590-19-007838",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 25108000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 46224000,
          "accn": "0001564590-17-002109",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-23",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 55317000,
          "accn": "0001564590-16-014302",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-09",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 39948000,
          "accn": "0001564590-15-002010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 21553000,
          "accn": "0001193125-14-093757",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-11",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 18483000,
          "accn": "0001193125-13-096041",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-07",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 20209000,
          "accn": "0001193125-12-103884",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/99bc74bd7159630b925b01f21dc60b0899467b369bb5a1524cbbfa411e86b911.json.gz"
}
