{
  "schema": "canli.company-reference.v1",
  "cik": "0001701108",
  "name": "Spero Therapeutics, Inc.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001701108.json",
  "source_sha256": "7d8d28a786cc1f9d14a78b641809cfb8611771dec1312fb75a17633e4e3e7a24",
  "fetched_at": "2026-09-21T17:23:59.573Z",
  "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": 68919000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 110543000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 182390000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 124802000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 171072000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 153451000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 106103000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 129006000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 93479000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 13772000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "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": 9898000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 64420000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 75496000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 48868000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 82783000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 21411000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 31529000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 13151000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8522000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 7411000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "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": 59021000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 46123000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 106894000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 75934000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 88289000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 132040000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 74574000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 115500000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 84602000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -45440000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "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": 40265000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 52889000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 76333000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 109107000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 112584000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 85209000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 29730000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 34080000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 87288000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 10315000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 5691000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 256000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2014Q4I",
          "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": 8572000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -68566000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 22806000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -89800000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -78300000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -60900000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -41700000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -38743000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -25491000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -10154000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "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": -12624000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -23444000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -32995000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -7731000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -64347000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -85872000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -50020000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -39625000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -39111000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -28959000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": 157000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 314000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2436000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 27000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 830000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 232000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2015",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 66802000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 47977000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 103781000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 53509000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 18256000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 9330000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 18147000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3966000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1979000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 335000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 12586000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 371000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 933000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2503000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3070000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 258000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4742000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "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": "2024-01-01",
          "end": "2024-12-31",
          "val": 0,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 221000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -29553000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 84050000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 130881000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 16140000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 69523000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 116111000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 34413000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "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": "2023-01-01",
          "end": "2023-12-31",
          "val": 0,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 33807000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 7672000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 10470000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 29530000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -83156000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -27000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -830000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "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": -451066000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": -459638000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -391072000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -413878000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -367463000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -277707000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -199427000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -138502000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -96840000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -45440000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "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": 56020363,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 54037917,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 52703467,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 37585075,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 30895756,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "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": 59039225,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 54037917,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 52989030,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 37585075,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 30895756,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 0.15,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -1.27,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.43,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -1.23,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -2.91,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 0.15,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -1.27,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.43,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -1.23,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -2.91,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 261000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2598000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2015",
          "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": "2024-12-31",
          "val": 0,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 368000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1026000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1669000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2273000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2893000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1164000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1500000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "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": 4325000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7793000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 7932000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 9123000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 9430000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4888000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3776000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2749000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1427000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 180000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 21000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2015",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 6314000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -73361000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 21481000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -42197000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -87971000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -79113000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -63216000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -42806000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -41730000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -33221000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -13327000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2015",
          "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": 67286000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 107276000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 131208000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 113570000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 157872000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 139145000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 95414000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 124219000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 92059000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 11872000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "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": 8868000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 49074000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 37153000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 21649000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 18670000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 14343000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 26663000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 12318000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 8157000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6918000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 693000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 7306000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1378000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 617000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1101000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1155000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 4147000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 3603000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3470000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1139000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2016Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 60488000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 121338000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 82300000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 95706000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 106227000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 88443000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 81363000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 46772000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 43709000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 33556000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 13327000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2015",
          "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": "2025-01-01",
          "end": "2025-12-31",
          "val": 38467000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 96757000,
          "accn": "0001193125-26-126192",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-03-26",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 51440000,
          "accn": "0000950170-25-046125",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-03-27",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 47593000,
          "accn": "0000950170-24-030767",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-03-13",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 64526000,
          "accn": "0000950170-23-010921",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-03-30",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 67003000,
          "accn": "0000950170-22-005194",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-03-31",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 65775000,
          "accn": "0001564590-21-012514",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-11",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 33885000,
          "accn": "0001564590-20-010998",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32869000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 26333000,
          "accn": "0001564590-19-007805",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-03-14",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 11125000,
          "accn": "0001564590-18-007402",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-04-02",
          "frame": "CY2015",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/7d8d28a786cc1f9d14a78b641809cfb8611771dec1312fb75a17633e4e3e7a24.json.gz"
}