{
  "schema": "canli.company-reference.v1",
  "cik": "0001265107",
  "name": "MONITRONICS INTERNATIONAL, INC",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001265107.json",
  "source_sha256": "2ed08bd8013fe778dcf6cd2d700d9cc4ce3eb01fe4b9d52b297a6f7dec3477e5",
  "fetched_at": "2026-09-22T19:43:12.462Z",
  "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": "2020-12-31",
          "val": 1346663000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1419312000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1305768000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1941315000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2033717000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2070267000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1997162000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 2019526000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1446444000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1332861000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "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": "2020-12-31",
          "val": 1186070000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1073234000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1894743000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1838579000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1818772000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1869202000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1739596000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1726866000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1187520000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1043488000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "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": "2020-12-31",
          "val": 160593000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 346078000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-08-31",
          "val": 379400000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -588975000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 102736000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 214945000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 201065000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 257566000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 292660000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 258924000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 288624000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 294990000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 6123000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 14763000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2188000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3302000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3177000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2580000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1953000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 4355000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 3433000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2110000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 166000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-16",
          "val": 19254000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": -181756000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -678750000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -111295000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -76307000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -72448000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -29717000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -16687000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -16776000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": 128621000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 104503000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 150204000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 190527000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 167284000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 149705000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": 503597000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 540358000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 553455000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 570372000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -9867000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 49925000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 7223000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 20574000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 127255000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 95792000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 19000000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": -127461000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -155353000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -157302000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -210559000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -261753000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -166761000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011",
          "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": "2020-12-31",
          "val": -216714000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -33331000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -1036294000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -334219000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -222924000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -146617000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -74169000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -44452000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -27765000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -10989000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "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": "2020-01-01",
          "end": "2020-12-31",
          "val": 1891000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -11552000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -1893000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 7148000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 6290000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3600000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3081000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2619000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2564000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "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": "2020-12-31",
          "val": 41943000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 42096000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 36539000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 32789000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 28270000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 26654000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 23280000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 24561000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 20559000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 19977000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": 843000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 310000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3183000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2598000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2271000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2068000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1779000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1384000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 393000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "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": "2020-01-01",
          "end": "2020-12-31",
          "val": -99600000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -494143000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32304000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 67649000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 63725000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 93490000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 82539000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 66167000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 49187000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "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": "2020-12-31",
          "val": 49878000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 52279000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 43676000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 26615000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 26406000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 26147000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 23326000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 32263000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 35688000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 54406000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 80265000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 180770000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 145492000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 127308000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 125415000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 119607000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 96145000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 71405000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 42698000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "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": "2020-12-31",
          "val": 109510000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 70247000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1884207000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 98737000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 87171000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 82715000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 84565000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 86831000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 60747000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 101548000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "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": "2020-12-31",
          "val": 20728000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 16869000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 12099000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 11073000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 11461000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 8621000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 6710000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 6895000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1523000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3864000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 0,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 81943000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-09-01",
          "val": 81943000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "unit": "USD"
        },
        {
          "end": "2019-08-31",
          "val": 0,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 563549000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 563549000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 563549000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 527502000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 527502000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 350213000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 350213000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 349227000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 1102977000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1064311000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1195463000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1302028000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1386760000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1423538000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1373630000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1340954000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 987975000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 838441000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 13360000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12083000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 13121000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 12645000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 12645000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 13869000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 13622000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 13796000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 13019000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 10891000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 10973000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 7612000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 5242000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 4868000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3495000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 2475000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 149314000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 118940000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 155902000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 114152000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 106287000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 87943000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 77162000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 60054000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 57689000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 22500000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "shares"
        },
        {
          "end": "2019-12-31",
          "val": 22500000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "shares"
        },
        {
          "end": "2019-09-01",
          "val": 22500000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "unit": "shares"
        },
        {
          "end": "2019-08-31",
          "val": 0,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "unit": "shares"
        },
        {
          "end": "2018-12-31",
          "val": 1000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "shares"
        },
        {
          "end": "2017-12-31",
          "val": 1000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "shares"
        },
        {
          "end": "2016-12-31",
          "val": 1000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-12-31",
          "val": 1000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 1000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 1000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 1,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 1,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-17",
          "val": 1,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2010Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
      "taxonomy": "us-gaap",
      "label": "Cash including restricted cash",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cash, cash equivalents and restricted cash as reported in the cash flow reconciliation. Restricted amounts are not freely available, so this is not the same as unrestricted cash.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 6294000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 15001000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-08-31",
          "val": 24640000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2377000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3302000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 3177000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2635000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": -2093000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 9000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7608000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -7375000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -8957000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -13546000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -4805000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 74000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -12243000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 0,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 979219000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 986444000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1816450000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1718297000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1698778000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1744647000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1628790000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1606793000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1108383000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 952718000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 59564000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 45873000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 77070000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 70432000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 57095000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 53711000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 47534000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 42075000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 30748000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 24880000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 17621000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3777000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 40531000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 37643000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 28825000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 27057000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 24254000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 17514000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 10189000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 4903000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 20309000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 21944000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 29307000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 9340000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 11908000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 3725000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 4569000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 29611000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 22156000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2877000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 89038000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 6390000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2727000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3092000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 6900000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 16893000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 15267000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 16065000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 4132000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5099000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 22612000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 19953000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 28178000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 10668000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 9360000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 9890000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 7559000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 6319000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 13597000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 13387000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ContractWithCustomerLiabilityCurrent",
      "taxonomy": "us-gaap",
      "label": "Current contract liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Consideration received before performance obligations are satisfied, often called deferred revenue. It is an obligation to deliver, not earned revenue or cash available.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 13300000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 12008000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 13060000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 12892000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 13871000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2020-12-31",
          "val": 105687000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 99998000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 55007000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 83661000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 127252000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 122037000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 116853000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 105456000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 70047000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 87674000,
          "accn": "0001104659-13-016624",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-03-01",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxLiabilitiesNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax liabilities net of related assets under this concept. The amount reflects timing differences and is not tax currently due.",
      "observations": [
        {
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 13304000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 17330000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -183858000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -664372000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -109713000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -71718000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -81189000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -34596000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -4370000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -29019000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -6759000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -17623000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -16776000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -6759000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 13844000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 11434000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 8818000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 8160000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 10066000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 9019000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 7327000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5286000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4704000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DepreciationDepletionAndAmortization",
      "taxonomy": "us-gaap",
      "label": "Depreciation, depletion and amortization",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Combined depreciation, depletion and amortization for the period. A noncash allocation of asset cost, not a measure of maintenance spending.",
      "observations": [
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 245606000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 254913000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 268734000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 217273000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 211639000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 236788000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 246753000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 258668000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 253403000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 208760000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 163468000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 159619000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -630000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -83000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Total nonoperating income or expense, which can include interest, investment results and other items. A positive value is not operating profit.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -80265000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -196159000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -145492000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -136808000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -129883000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -119607000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -96145000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -80324000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -53382000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1791000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2535000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2133000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3008000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2304000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3526000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2827000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2198000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2201000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 100000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -14087000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -4026000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4140000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3986000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 74000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 254000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 421000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 363000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 78954000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 147632000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 138339000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 123763000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2532000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2569000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2713000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2645000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsReceivable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts receivable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in receivables during the period. A positive value under this concept means receivables grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 7749000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 12776000,
          "accn": "0001265107-21-000019",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-03-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 9790000,
          "accn": "0001265107-20-000007",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-03-30",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 11032000,
          "accn": "0001265107-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-04-01",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 9378000,
          "accn": "0001265107-18-000013",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-03-07",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8926000,
          "accn": "0001265107-17-000007",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-13",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 8165000,
          "accn": "0001265107-16-000052",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-08",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5778000,
          "accn": "0001265107-15-000010",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-06",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5365000,
          "accn": "0001104659-14-015846",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-04",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/2ed08bd8013fe778dcf6cd2d700d9cc4ce3eb01fe4b9d52b297a6f7dec3477e5.json.gz"
}
