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        "label": "Assets Held-for-sale, Not Part of Disposal Group, Current",
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        "label": "Disposal Group, Including Discontinued Operation, Assets, Current",
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      "BusinessAcquisitionCostOfAcquiredEntityPurchasePrice": {
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              "accn": "0001125376-15-000101",
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              "accn": "0001125376-16-000142",
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              "accn": "0001125376-15-000042",
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              "accn": "0001125376-15-000101",
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            {
              "start": "2015-07-01",
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              "accn": "0001125376-16-000265",
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              "fp": "Q3",
              "form": "10-Q",
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              "frame": "CY2015Q3"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 1.19,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
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              "filed": "2016-02-10"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 1.05,
              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-03-31",
              "val": 0.18,
              "accn": "0001125376-16-000187",
              "fy": 2016,
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            },
            {
              "start": "2016-01-01",
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              "accn": "0001125376-16-000216",
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              "filed": "2016-08-01"
            },
            {
              "start": "2016-04-01",
              "end": "2016-06-30",
              "val": 0.22,
              "accn": "0001125376-16-000216",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-01",
              "frame": "CY2016Q2"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 0.61,
              "accn": "0001125376-16-000265",
              "fy": 2016,
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              "form": "10-Q",
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            },
            {
              "start": "2016-07-01",
              "end": "2016-09-30",
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              "accn": "0001125376-16-000265",
              "fy": 2016,
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              "filed": "2016-11-02",
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            },
            {
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              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
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              "filed": "2017-02-08",
              "frame": "CY2016"
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          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationAssetsAcquired": {
        "label": "Business Acquisition, Purchase Price Allocation, Assets Acquired (Deprecated 2013-01-31)",
        "description": "The amount of acquisition cost of a business combination allocated to assets acquired.",
        "units": {
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            {
              "end": "2011-06-30",
              "val": 45029000,
              "accn": "0001125376-12-000034",
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              "fp": "Q2",
              "form": "10-Q",
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              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 86539000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 106747000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 5421000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2012Q1I"
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            {
              "end": "2012-06-30",
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            },
            {
              "end": "2012-09-30",
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              "filed": "2012-11-07",
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            },
            {
              "end": "2012-12-31",
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              "accn": "0001125376-13-000022",
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              "frame": "CY2012Q4I"
            },
            {
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              "filed": "2013-05-01",
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          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet": {
        "label": "Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net (Deprecated 2013-01-31)",
        "description": "The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.",
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              "accn": "0001125376-13-000022",
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              "frame": "CY2012Q4I"
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          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationBuildings": {
        "label": "Business Acquisition, Purchase Price Allocation, Buildings (Deprecated 2013-01-31)",
        "description": "Amount of acquisition cost of a business combination allocated to buildings included in real estate.",
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            {
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              "accn": "0001125376-12-000034",
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            {
              "end": "2011-09-30",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
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              "accn": "0001125376-13-000022",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 4114000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
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            },
            {
              "end": "2012-09-30",
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            },
            {
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            },
            {
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              "filed": "2013-05-01",
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            }
          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationEquipment": {
        "label": "Business Acquisition, Purchase Price Allocation, Equipment (Deprecated 2013-01-31)",
        "description": "The amount of acquisition cost of a business combination allocated to equipment used in the normal course of business, not including equipment that is held-for-sale.",
        "units": {
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              "end": "2011-06-30",
              "val": 1127000,
              "accn": "0001125376-12-000034",
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            {
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              "accn": "0001125376-12-000042",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
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              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 114000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
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              "accn": "0001125376-12-000034",
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              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 1003000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
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            },
            {
              "end": "2012-12-31",
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              "accn": "0001125376-13-000022",
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            },
            {
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              "accn": "0001125376-13-000055",
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              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2013Q1I"
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          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationGoodwillAmount": {
        "label": "Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31)",
        "description": "Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.",
        "units": {
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              "end": "2011-06-30",
              "val": 1412000,
              "accn": "0001125376-12-000034",
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            {
              "end": "2011-09-30",
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              "accn": "0001125376-12-000042",
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              "fp": "Q3",
              "form": "10-Q",
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              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 0,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 2279000,
              "accn": "0001125376-12-000034",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01",
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            },
            {
              "end": "2012-09-30",
              "val": 2279000,
              "accn": "0001125376-12-000042",
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            },
            {
              "end": "2012-12-31",
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              "accn": "0001125376-13-000022",
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              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 1966000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2013Q1I"
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          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount": {
        "label": "Business Acquisition, Goodwill, Expected Tax Deductible Amount",
        "description": "The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.",
        "units": {
          "USD": [
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              "end": "2012-06-30",
              "val": 19456000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 19456000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
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              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            }
          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsNotAmortizable": {
        "label": "Business Acquisition, Purchase Price Allocation, Intangible Assets Not Amortizable (Deprecated 2013-01-31)",
        "description": "The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will not be amortized. Does not include goodwill.",
        "units": {
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              "end": "2011-06-30",
              "val": 569000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
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            },
            {
              "end": "2011-09-30",
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              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
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              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 530000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
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              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01",
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            },
            {
              "end": "2012-09-30",
              "val": 1217000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 10007000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 4152000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2013Q1I"
            }
          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationLand": {
        "label": "Business Acquisition, Purchase Price Allocation, Land (Deprecated 2013-01-31)",
        "description": "Amount of acquisition cost of a business combination allocated to land included in real estate.",
        "units": {
          "USD": [
            {
              "end": "2011-06-30",
              "val": 5814000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 8229000,
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            {
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            {
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      },
      "BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue": {
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      },
      "BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual": {
        "label": "Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual",
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            },
            {
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        }
      },
      "BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual": {
        "label": "Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual",
        "description": "This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.",
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            {
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            {
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              "form": "10-Q",
              "filed": "2015-11-03",
              "frame": "CY2014Q3"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 139693000,
              "accn": "0001125376-15-000019",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-09"
            },
            {
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              "accn": "0001125376-16-000142",
              "fy": 2015,
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              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-03-31",
              "val": 6556000,
              "accn": "0001125376-15-000042",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-05-06"
            },
            {
              "start": "2015-01-01",
              "end": "2015-03-31",
              "val": 38438000,
              "accn": "0001125376-16-000187",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-05-10",
              "frame": "CY2015Q1"
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            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": 79979000,
              "accn": "0001125376-15-000075",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04"
            },
            {
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              "end": "2015-06-30",
              "val": 82247000,
              "accn": "0001125376-16-000216",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-01"
            },
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 36713000,
              "accn": "0001125376-15-000075",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04"
            },
            {
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              "end": "2015-06-30",
              "val": 41124000,
              "accn": "0001125376-16-000216",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-01",
              "frame": "CY2015Q2"
            },
            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": 101960000,
              "accn": "0001125376-15-000101",
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            {
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              "accn": "0001125376-16-000265",
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            },
            {
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              "val": 9153000,
              "accn": "0001125376-15-000101",
              "fy": 2015,
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              "filed": "2015-11-03"
            },
            {
              "start": "2015-07-01",
              "end": "2015-09-30",
              "val": 43195000,
              "accn": "0001125376-16-000265",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-02",
              "frame": "CY2015Q3"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 140098000,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 182546000,
              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2015"
            },
            {
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              "end": "2016-03-31",
              "val": 38234000,
              "accn": "0001125376-16-000187",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-05-10",
              "frame": "CY2016Q1"
            },
            {
              "start": "2016-01-01",
              "end": "2016-06-30",
              "val": 55581000,
              "accn": "0001125376-16-000216",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-01"
            },
            {
              "start": "2016-04-01",
              "end": "2016-06-30",
              "val": 14951000,
              "accn": "0001125376-16-000216",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-01",
              "frame": "CY2016Q2"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 61279000,
              "accn": "0001125376-16-000265",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-02"
            },
            {
              "start": "2016-07-01",
              "end": "2016-09-30",
              "val": 1240000,
              "accn": "0001125376-16-000265",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-02",
              "frame": "CY2016Q3"
            },
            {
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              "val": 70199000,
              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2016"
            }
          ]
        }
      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings",
        "description": "Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date.",
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              "val": 23702000,
              "accn": "0001125376-14-000080",
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              "form": "10-Q",
              "filed": "2014-08-07",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 26593000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-06-30",
              "val": 27228000,
              "accn": "0001125376-14-000080",
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              "accn": "0001125376-14-000105",
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              "filed": "2014-11-05",
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          ]
        }
      },
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        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment",
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            {
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              "val": 1386000,
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              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-06-30",
              "val": 1344000,
              "accn": "0001125376-14-000080",
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              "end": "2014-09-30",
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              "filed": "2014-11-05",
              "frame": "CY2014Q3I"
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          ]
        }
      },
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        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets",
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              "val": 4152000,
              "accn": "0001125376-14-000080",
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              "form": "10-Q",
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              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 4152000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-06-30",
              "val": 600000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
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              "val": 2344000,
              "accn": "0001125376-14-000105",
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              "filed": "2014-11-05",
              "frame": "CY2014Q3I"
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        }
      },
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        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles",
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              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2013Q3I"
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              "end": "2014-06-30",
              "val": 360000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
              "fp": "Q2",
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              "frame": "CY2014Q2I"
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              "end": "2014-09-30",
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              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2014Q3I"
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          ]
        }
      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land",
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              "end": "2013-09-30",
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              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-06-30",
              "val": 8094000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
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              "form": "10-Q",
              "filed": "2014-08-07",
              "frame": "CY2014Q2I"
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            {
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              "fy": 2014,
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              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2014Q3I"
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          ]
        }
      },
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        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net",
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              "filed": "2014-02-13"
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              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2013Q4I"
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              "filed": "2016-02-10"
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              "end": "2014-12-31",
              "val": 0,
              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2014Q4I"
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            {
              "end": "2015-06-30",
              "val": 0,
              "accn": "0001125376-16-000216",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-01",
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              "accn": "0001125376-16-000142",
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              "filed": "2016-02-10"
            },
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              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "end": "2015-12-31",
              "val": -18000,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2015Q4I"
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            {
              "end": "2016-03-31",
              "val": 0,
              "accn": "0001125376-17-000047",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-05-01",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-06-30",
              "val": 6000,
              "accn": "0001125376-16-000216",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-01"
            },
            {
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              "accn": "0001125376-17-000099",
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              "accn": "0001125376-17-000141",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-11-08",
              "frame": "CY2016Q3I"
            },
            {
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              "val": 6000,
              "accn": "0001125376-17-000013",
              "fy": 2016,
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              "filed": "2017-02-08"
            },
            {
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              "val": 6000,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
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              "filed": "2018-02-08"
            },
            {
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              "val": 6000,
              "accn": "0001125376-19-000016",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-06",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-03-31",
              "val": -25000,
              "accn": "0001125376-17-000047",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-05-01"
            },
            {
              "end": "2017-03-31",
              "val": 25000,
              "accn": "0001125376-18-000076",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-05-02",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-06-30",
              "val": 326000,
              "accn": "0001125376-17-000099",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-08-03"
            },
            {
              "end": "2017-06-30",
              "val": 326000,
              "accn": "0001125376-18-000126",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-08-02",
              "frame": "CY2017Q2I"
            },
            {
              "end": "2017-09-30",
              "val": 292000,
              "accn": "0001125376-17-000141",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-11-08"
            },
            {
              "end": "2017-09-30",
              "val": 292000,
              "accn": "0001125376-18-000162",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-31",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2017-12-31",
              "val": 92000,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "end": "2017-12-31",
              "val": 92000,
              "accn": "0001125376-19-000016",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-06",
              "frame": "CY2017Q4I"
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          ]
        }
      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets",
        "description": "Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.",
        "units": {
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              "end": "2013-06-30",
              "val": 695000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-07",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 724000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-06-30",
              "val": 425000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-07",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-09-30",
              "val": 545000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2014Q3I"
            }
          ]
        }
      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net",
        "description": "Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.",
        "units": {
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            {
              "end": "2013-06-30",
              "val": 39310000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-07",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 45364000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-06-30",
              "val": 38442000,
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            },
            {
              "end": "2019-10-01",
              "val": 30064000,
              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2019Q3I"
            }
          ]
        }
      },
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        "label": "Disposal Group, Including Discontinued Operation, Accounts Payable",
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              "accn": "0001125376-20-000018",
              "fy": 2019,
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              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "end": "2019-10-01",
              "val": 4725000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
              "end": "2019-10-01",
              "val": 4725000,
              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2019Q3I"
            }
          ]
        }
      },
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              "end": "2019-10-01",
              "val": 17531000,
              "accn": "0001125376-20-000018",
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              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "end": "2019-10-01",
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              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
              "end": "2019-10-01",
              "val": 17531000,
              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2019Q3I"
            }
          ]
        }
      },
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              "form": "10-K",
              "filed": "2020-02-05",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 0,
              "accn": "0001125376-20-000018",
              "fy": 2019,
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              "form": "10-K",
              "filed": "2020-02-05",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
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              "accn": "0001125376-20-000018",
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              "filed": "2020-02-05",
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            {
              "end": "2018-12-31",
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              "accn": "0001125376-20-000018",
              "fy": 2019,
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              "fy": 2020,
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              "filed": "2021-02-03",
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            {
              "end": "2019-03-31",
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-11",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
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              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 47000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
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              "filed": "2020-10-28",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-10-01",
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              "accn": "0001125376-20-000018",
              "fy": 2019,
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              "filed": "2020-02-05"
            },
            {
              "end": "2019-10-01",
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              "form": "10-K",
              "filed": "2021-02-03"
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            {
              "end": "2019-10-01",
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              "accn": "0001125376-22-000019",
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              "filed": "2022-02-09"
            },
            {
              "end": "2019-12-31",
              "val": 0,
              "accn": "0001125376-20-000018",
              "fy": 2019,
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              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "end": "2019-12-31",
              "val": 0,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-03-31",
              "val": 0,
              "accn": "0001125376-20-000076",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-11",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2020-06-30",
              "val": 0,
              "accn": "0001125376-20-000134",
              "fy": 2020,
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              "form": "10-Q",
              "filed": "2020-08-05",
              "frame": "CY2020Q2I"
            },
            {
              "end": "2020-09-30",
              "val": 0,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28",
              "frame": "CY2020Q3I"
            },
            {
              "end": "2020-12-31",
              "val": 0,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2020Q4I"
            }
          ]
        }
      },
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        "label": "Disposal Group, Including Discontinued Operation, Consideration",
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              "end": "2017-12-31",
              "val": 0,
              "accn": "0001125376-20-000018",
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              "form": "10-K",
              "filed": "2020-02-05",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-10-01",
              "val": 84433000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "end": "2019-10-01",
              "val": 84433000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
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              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
              "end": "2019-10-01",
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              "accn": "0001125376-22-000019",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 84433000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "end": "2019-12-31",
              "val": 84433000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
              "end": "2019-12-31",
              "val": 84433000,
              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 0,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
              "end": "2020-12-31",
              "val": 0,
              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
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            },
            {
              "end": "2021-12-31",
              "val": 0,
              "accn": "0001125376-22-000019",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2021Q4I"
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          ]
        }
      },
      "DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold": {
        "label": "Disposal Group, Including Discontinued Operation, Costs of Goods Sold",
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              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 184252000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 209423000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 209423000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 58014000,
              "accn": "0001125376-20-000076",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-11",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 120272000,
              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 62258000,
              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05",
              "frame": "CY2019Q2"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 187560000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 67289000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28",
              "frame": "CY2019Q3"
            },
            {
              "start": "2019-01-01",
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              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 187560000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
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              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
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              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2019"
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          ]
        }
      },
      "DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization": {
        "label": "Disposal Group, Including Discontinued Operation, Depreciation and Amortization",
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              "end": "2013-12-31",
              "val": 33000,
              "accn": "0001125376-16-000142",
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              "fp": "FY",
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              "filed": "2016-02-10",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
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              "val": 0,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 0,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 2204000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 2480000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 2480000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 669000,
              "accn": "0001125376-20-000076",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-11",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 1487000,
              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 818000,
              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05",
              "frame": "CY2019Q2"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 2402000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 914000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28",
              "frame": "CY2019Q3"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 2402000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 2402000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 2402000,
              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
              "frame": "CY2019"
            }
          ]
        }
      },
      "DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense": {
        "label": "Disposal Group, Including Discontinued Operation, General and Administrative Expense",
        "description": "Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.",
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              "end": "2017-12-31",
              "val": 6497000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05",
              "frame": "CY2017"
            },
            {
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              "end": "2018-12-31",
              "val": 9744000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
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              "end": "2018-12-31",
              "val": 9744000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 5765000,
              "accn": "0001125376-20-000076",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-11",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 10477000,
              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 4712000,
              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05",
              "frame": "CY2019Q2"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 16672000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 6196000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28",
              "frame": "CY2019Q3"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 16672000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 16672000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 16672000,
              "accn": "0001125376-22-000019",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-09",
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        "label": "Equity Method Investments",
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            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 0,
              "accn": "0001125376-19-000016",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-06",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001125376-19-000016",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-06",
              "frame": "CY2018"
            }
          ]
        }
      },
      "GainLossOnSaleOfEquityInvestments": {
        "label": "Gain (Loss) on Sale of Equity Investments",
        "description": "The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.",
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              "end": "2013-06-30",
              "val": 380000,
              "accn": "0001125376-13-000080",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-07",
              "frame": "CY2013Q2"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 380000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": 380000,
              "accn": "0001125376-13-000097",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07",
              "frame": "CY2013Q3"
            },
            {
              "start": "2013-10-01",
              "end": "2013-12-31",
              "val": 380000,
              "accn": "0001125376-14-000008",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-13",
              "frame": "CY2013Q4"
            }
          ]
        }
      },
      "GainLossOnSaleOfPropertyPlantEquipment": {
        "label": "Gain (Loss) on Disposition of Property Plant Equipment",
        "description": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.",
        "units": {
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              "end": "2009-12-31",
              "val": -71000,
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              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": -22000,
              "accn": "0001445305-11-002324",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-03"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": -243000,
              "accn": "0001445305-11-003176",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-02"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -403000,
              "accn": "0001125376-12-000007",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": -403000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 3000,
              "accn": "0001125376-12-000022",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-02",
              "frame": "CY2011Q1"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 1000,
              "accn": "0001445305-11-002324",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-03"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 1000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": -121000,
              "accn": "0001445305-11-003176",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-02"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": -121000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -190000,
              "accn": "0001125376-12-000007",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -190000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": -190000,
              "accn": "0001125376-14-000008",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-13",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": -9000,
              "accn": "0001125376-12-000022",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-02"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": -9000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-01-01",
              "end": "2012-06-30",
              "val": -203000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01"
            },
            {
              "start": "2012-01-01",
              "end": "2012-06-30",
              "val": -203000,
              "accn": "0001125376-13-000080",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-07"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": -258000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": -258000,
              "accn": "0001125376-13-000097",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -412000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -412000,
              "accn": "0001125376-14-000008",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-13"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -412000,
              "accn": "0001125376-15-000019",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-09",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": -1143000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": -1143000,
              "accn": "0001125376-14-000031",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-05-08",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": -1129000,
              "accn": "0001125376-13-000080",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-07"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": -1129000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-07"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": -1164000,
              "accn": "0001125376-13-000097",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": -1164000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": -1379000,
              "accn": "0001125376-14-000008",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-13"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": -1379000,
              "accn": "0001125376-15-000019",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-09"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": -1379000,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": 1000,
              "accn": "0001125376-14-000031",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-05-08",
              "frame": "CY2014Q1"
            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": -4000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-07"
            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": -5000,
              "accn": "0001125376-15-000075",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": -14000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05"
            },
            {
              "start": "2014-01-01",
              "end": "2014-09-30",
              "val": -15000,
              "accn": "0001125376-15-000101",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-11-03"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": -100000,
              "accn": "0001125376-15-000019",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-09"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": -100000,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": -100000,
              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": 0,
              "accn": "0001125376-15-000075",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-08-04"
            },
            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": -22000,
              "accn": "0001125376-15-000101",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-11-03"
            },
            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": -22000,
              "accn": "0001125376-16-000265",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-02"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": -205000,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": -205000,
              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": -205000,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 21000,
              "accn": "0001125376-16-000265",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-11-02"
            },
            {
              "start": "2016-01-01",
              "end": "2016-09-30",
              "val": 21000,
              "accn": "0001125376-17-000141",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-11-08"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": -164000,
              "accn": "0001125376-17-000013",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-08"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": -164000,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": 71000,
              "accn": "0001125376-17-000141",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-11-08"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": -278000,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 3467000,
              "accn": "0001125376-25-000021",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-05",
              "frame": "CY2022"
            }
          ]
        }
      },
      "GainLossRelatedToLitigationSettlement": {
        "label": "Gain (Loss) Related to Litigation Settlement",
        "description": "Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.",
        "units": {
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              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2015"
            },
            {
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              "end": "2016-03-31",
              "val": 0,
              "accn": "0001125376-17-000047",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-05-01",
              "frame": "CY2016Q1"
            },
            {
              "start": "2016-01-01",
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              "val": 0,
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              "fy": 2017,
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              "filed": "2017-08-03"
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            {
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              "fy": 2017,
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              "form": "10-Q",
              "filed": "2017-08-03",
              "frame": "CY2016Q2"
            },
            {
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              "filed": "2017-11-08",
              "frame": "CY2016Q3"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 0,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 0,
              "accn": "0001125376-19-000016",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-06",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-03-31",
              "val": -11000000,
              "accn": "0001125376-17-000047",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-05-01"
            },
            {
              "start": "2017-01-01",
              "end": "2017-03-31",
              "val": -11000000,
              "accn": "0001125376-18-000076",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-05-02",
              "frame": "CY2017Q1"
            },
            {
              "start": "2017-01-01",
              "end": "2017-06-30",
              "val": -11000000,
              "accn": "0001125376-17-000099",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-08-03"
            },
            {
              "start": "2017-01-01",
              "end": "2017-06-30",
              "val": -11000000,
              "accn": "0001125376-18-000126",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-08-02"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": 0,
              "accn": "0001125376-17-000099",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-08-03"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": 0,
              "accn": "0001125376-18-000126",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-08-02",
              "frame": "CY2017Q2"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": -11000000,
              "accn": "0001125376-17-000141",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-11-08"
            },
            {
              "start": "2017-01-01",
              "end": "2017-09-30",
              "val": -11000000,
              "accn": "0001125376-18-000162",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-31"
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            {
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            {
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            {
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            {
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            },
            {
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      },
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        "label": "Increase (Decrease) in Restricted Cash",
        "description": "The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.",
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            {
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              "val": 146000,
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              "filed": "2014-02-13"
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            {
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              "accn": "0001125376-15-000019",
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            {
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            {
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            },
            {
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              "val": 8219000,
              "accn": "0001125376-15-000019",
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              "filed": "2015-02-09",
              "frame": "CY2014"
            },
            {
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              "val": -1694000,
              "accn": "0001125376-15-000042",
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        }
      },
      "IncreaseDecreaseInSelfInsuranceReserve": {
        "label": "Increase (Decrease) in Self Insurance Reserve",
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        "units": {
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      },
      "LiabilityForFuturePolicyBenefitsContractTerminations": {
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      },
      "LiabilityForFuturePolicyBenefitsContractTerminations1": {
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          ]
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      },
      "LiabilityForFuturePolicyBenefitsPaymentForBenefits": {
        "label": "Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment",
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            {
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            },
            {
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            },
            {
              "start": "2022-01-01",
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              "val": 98007000,
              "accn": "0001125376-23-000018",
              "fy": 2022,
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              "filed": "2023-02-02"
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            {
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            {
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            {
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              "val": 173617000,
              "accn": "0001125376-26-000007",
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          ]
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      },
      "LiabilityForFuturePolicyBenefitsPeriodExpense": {
        "label": "Liability for Future Policy Benefits, Period Expense (Income)",
        "description": "Amount of expense (income) recognized due to changes in the accrued obligation to policyholders that relates to insured events.",
        "units": {
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              "filed": "2014-02-13",
              "frame": "CY2013"
            }
          ]
        }
      },
      "LiabilityForFuturePolicyBenefitsPeriodIncreaseDecrease": {
        "label": "Liability for Future Policy Benefits, Period Increase (Decrease)",
        "description": "Amount of increase (decrease) in accrued obligations to policy and contract holders for long-duration insurance contracts.",
        "units": {
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            {
              "start": "2018-01-01",
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              "fy": 2018,
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          ]
        }
      },
      "ProceedsFromSalesOfAssetsInvestingActivities": {
        "label": "Proceeds from Sales of Assets, Investing Activities",
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              "val": 8652000,
              "accn": "0001125376-25-000142",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-07-24"
            },
            {
              "start": "2025-04-01",
              "end": "2025-06-30",
              "val": 8652000,
              "accn": "0001125376-25-000170",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-11-03"
            },
            {
              "start": "2025-04-01",
              "end": "2025-06-30",
              "val": 8652000,
              "accn": "0001125376-26-000034",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-27",
              "frame": "CY2025Q2"
            },
            {
              "start": "2025-07-01",
              "end": "2025-09-30",
              "val": 9024000,
              "accn": "0001125376-25-000170",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-11-03",
              "frame": "CY2025Q3"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 29044000,
              "accn": "0001125376-26-000007",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-04",
              "frame": "CY2025"
            },
            {
              "start": "2026-01-01",
              "end": "2026-03-31",
              "val": 11490000,
              "accn": "0001125376-26-000021",
              "fy": 2026,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-04-30"
            },
            {
              "start": "2026-01-01",
              "end": "2026-03-31",
              "val": 11490000,
              "accn": "0001125376-26-000034",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-27",
              "frame": "CY2026Q1"
            },
            {
              "start": "2026-04-01",
              "end": "2026-06-30",
              "val": 4384000,
              "accn": "0001125376-26-000034",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-07-27",
              "frame": "CY2026Q2"
            }
          ]
        }
      },
      "StockRepurchasedDuringPeriodValue": {
        "label": "Stock Repurchased During Period, Value",
        "description": "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "units": {
          "USD": [
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": -174000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 30000000,
              "accn": "0001125376-19-000016",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-06",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 7288000,
              "accn": "0001125376-19-000016",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-06"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 7288000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05",
              "frame": "CY2017"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 5000000,
              "accn": "0001125376-19-000150",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-30"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 5000000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28",
              "frame": "CY2019Q3"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 6406000,
              "accn": "0001125376-20-000018",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-05"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 6406000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-03-31",
              "val": 25000000,
              "accn": "0001125376-20-000076",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-11"
            },
            {
              "start": "2020-01-01",
              "end": "2020-03-31",
              "val": 25000000,
              "accn": "0001125376-20-000134",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-05"
            },
            {
              "start": "2020-01-01",
              "end": "2020-03-31",
              "val": 25000000,
              "accn": "0001125376-20-000181",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-10-28"
            },
            {
              "start": "2020-01-01",
              "end": "2020-03-31",
              "val": 25000000,
              "accn": "0001125376-21-000077",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-04-29"
            },
            {
              "start": "2020-01-01",
              "end": "2020-03-31",
              "val": 25000000,
              "accn": "0001125376-21-000125",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-07-28"
            },
            {
              "start": "2020-01-01",
              "end": "2020-03-31",
              "val": 25000000,
              "accn": "0001125376-21-000155",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2021-10-27",
              "frame": "CY2020Q1"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 25000000,
              "accn": "0001125376-21-000020",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-03",
              "frame": "CY2020"
            }
          ]
        }
      },
      "StockRepurchaseProgramAuthorizedAmount1": {
        "label": "Stock Repurchase Program, Authorized Amount",
        "description": "Amount of stock repurchase plan authorized.",
        "units": {
          "USD": [
            {
              "end": "2015-11-04",
              "val": 15000000,
              "accn": "0001125376-16-000142",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-10",
              "frame": "CY2015Q3I"
            }
          ]
        }
      },
      "TaxBenefitFromStockOptionsExercised": {
        "label": "Tax Benefit from Stock Options Exercised (Deprecated 2012-01-31)",
        "description": "Reductions in the entity's income taxes that arise when compensation cost (from non-qualified stock options) recognized on the entity's tax return exceeds compensation cost from non-qualified stock options recognized on the income statement. This element increases net cash provided by operating activities.",
        "units": {
          "USD": [
            {
              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 72000,
              "accn": "0001125376-12-000007",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 519000,
              "accn": "0001125376-12-000007",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 1480000,
              "accn": "0001125376-12-000007",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16",
              "frame": "CY2011"
            }
          ]
        }
      },
      "TaxBenefitFromStockOptionsExercised1": {
        "label": "Tax Benefit from Stock Options Exercised (Deprecated 2013-01-31)",
        "description": "Tax benefits realized from the exercise of stock options resulting in reductions in the entity's income taxes, which increases net cash provided by operating activities.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 519000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 1480000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 1868000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012"
            }
          ]
        }
      },
      "TaxesPayableCurrentAndNoncurrent": {
        "label": "Taxes Payable",
        "description": "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.",
        "units": {
          "USD": [
            {
              "end": "2016-12-31",
              "val": 1182000,
              "accn": "0001125376-17-000047",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-05-01"
            },
            {
              "end": "2016-12-31",
              "val": 1182000,
              "accn": "0001125376-17-000099",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-08-03"
            },
            {
              "end": "2016-12-31",
              "val": 1182000,
              "accn": "0001125376-17-000141",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-11-08"
            },
            {
              "end": "2016-12-31",
              "val": 1182000,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-03-31",
              "val": 2357000,
              "accn": "0001125376-17-000047",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-05-01",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-06-30",
              "val": 0,
              "accn": "0001125376-17-000099",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-08-03",
              "frame": "CY2017Q2I"
            },
            {
              "end": "2017-09-30",
              "val": 0,
              "accn": "0001125376-17-000141",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-11-08",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2017-12-31",
              "val": 0,
              "accn": "0001125376-18-000028",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-08",
              "frame": "CY2017Q4I"
            }
          ]
        }
      },
      "TemporaryEquityCarryingAmount": {
        "label": "Temporary Equity, Carrying Amount (Deprecated 2012-01-31)",
        "description": "The carrying value (book value) of an entity's issued and outstanding stock which is not included within permanent equity in Stockholders Equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 0,
              "accn": "0001125376-12-000022",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-02",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 11581000,
              "accn": "0001125376-12-000022",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-02",
              "frame": "CY2012Q1I"
            }
          ]
        }
      },
      "TemporaryEquityCarryingAmountAttributableToNoncontrollingInterest": {
        "label": "Temporary Equity, Carrying Amount, Attributable to Noncontrolling Interest (Deprecated 2014-01-31)",
        "description": "Carrying amount, attributable to noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.",
        "units": {
          "USD": [
            {
              "end": "2012-06-30",
              "val": 11506000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 11511000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2012Q3I"
            }
          ]
        }
      },
      "TreasuryStockShares": {
        "label": "Treasury Stock, Shares",
        "description": "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.",
        "units": {
          "shares": [
            {
              "end": "2010-12-31",
              "val": 582000,
              "accn": "0001445305-11-002324",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-03"
            },
            {
              "end": "2010-12-31",
              "val": 582000,
              "accn": "0001445305-11-003176",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-02"
            },
            {
              "end": "2010-12-31",
              "val": 582000,
              "accn": "0001125376-12-000007",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-06-30",
              "val": 564000,
              "accn": "0001445305-11-002324",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-03",
              "frame": "CY2011Q2I"
            },
            {
              "end": "2011-09-30",
              "val": 490000,
              "accn": "0001445305-11-003176",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-02",
              "frame": "CY2011Q3I"
            },
            {
              "end": "2011-12-31",
              "val": 396000,
              "accn": "0001125376-12-000007",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-16"
            },
            {
              "end": "2011-12-31",
              "val": 396000,
              "accn": "0001125376-12-000022",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-02"
            },
            {
              "end": "2011-12-31",
              "val": 396000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01"
            },
            {
              "end": "2011-12-31",
              "val": 396000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07"
            },
            {
              "end": "2011-12-31",
              "val": 396000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-03-31",
              "val": 376000,
              "accn": "0001125376-12-000022",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-02",
              "frame": "CY2012Q1I"
            },
            {
              "end": "2012-06-30",
              "val": 378000,
              "accn": "0001125376-12-000034",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-01",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-09-30",
              "val": 344000,
              "accn": "0001125376-12-000042",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-07",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 301000,
              "accn": "0001125376-13-000022",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13"
            },
            {
              "end": "2012-12-31",
              "val": 301000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01"
            },
            {
              "end": "2012-12-31",
              "val": 301000,
              "accn": "0001125376-13-000080",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-07"
            },
            {
              "end": "2012-12-31",
              "val": 301000,
              "accn": "0001125376-13-000097",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07"
            },
            {
              "end": "2012-12-31",
              "val": 301000,
              "accn": "0001125376-14-000008",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-03-31",
              "val": 296000,
              "accn": "0001125376-13-000055",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-01",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-06-30",
              "val": 296000,
              "accn": "0001125376-13-000080",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-07",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-09-30",
              "val": 295000,
              "accn": "0001125376-13-000097",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2013-12-31",
              "val": 237000,
              "accn": "0001125376-14-000008",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-13"
            },
            {
              "end": "2013-12-31",
              "val": 237000,
              "accn": "0001125376-14-000031",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-05-08"
            },
            {
              "end": "2013-12-31",
              "val": 237000,
              "accn": "0001125376-14-000080",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-07"
            },
            {
              "end": "2013-12-31",
              "val": 237000,
              "accn": "0001125376-14-000105",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-05"
            },
            {
              "end": "2013-12-31",
              "val": 237000,
              "accn": "0001125376-15-000019",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-09",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-03-31",
              "val": 224000,
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