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              "val": 2499000,
              "accn": "0001564590-18-009338",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-26"
            },
            {
              "end": "2017-12-31",
              "val": 2499000,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26"
            },
            {
              "end": "2017-12-31",
              "val": 2499000,
              "accn": "0001564590-18-025131",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-25"
            },
            {
              "end": "2017-12-31",
              "val": 2499000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-03-31",
              "val": 1000000,
              "accn": "0001564590-18-009338",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-26",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-06-30",
              "val": 0,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-09-30",
              "val": 0,
              "accn": "0001564590-18-025131",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-25",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2018-12-31",
              "val": 0,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "CapitalizedComputerSoftwarePeriodIncreaseDecrease": {
        "label": "Capitalized Computer Software, Period Increase (Decrease)",
        "description": "Amount of increase (decrease) in capitalized computer software costs.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": 2185000,
              "accn": "0001193125-11-208374",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-03"
            },
            {
              "start": "2010-01-01",
              "end": "2010-09-30",
              "val": 2185000,
              "accn": "0001193125-11-294608",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-03"
            },
            {
              "start": "2011-01-01",
              "end": "2011-06-30",
              "val": 5432000,
              "accn": "0001193125-11-208374",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-03"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 5907000,
              "accn": "0001193125-11-294608",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-03"
            }
          ]
        }
      },
      "CapitalizedContractCostAmortization": {
        "label": "Capitalized Contract Cost, Amortization",
        "description": "Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.",
        "units": {
          "USD": [
            {
              "start": "2017-01-01",
              "end": "2017-03-31",
              "val": 700000,
              "accn": "0001564590-18-009338",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-26",
              "frame": "CY2017Q1"
            },
            {
              "start": "2017-01-01",
              "end": "2017-06-30",
              "val": 1400000,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26"
            },
            {
              "start": "2017-04-01",
              "end": "2017-06-30",
              "val": 700000,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26",
              "frame": "CY2017Q2"
            },
            {
              "start": "2018-01-01",
              "end": "2018-03-31",
              "val": 700000,
              "accn": "0001564590-18-009338",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-26",
              "frame": "CY2018Q1"
            },
            {
              "start": "2018-01-01",
              "end": "2018-06-30",
              "val": 1100000,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26"
            },
            {
              "start": "2018-04-01",
              "end": "2018-06-30",
              "val": 400000,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26",
              "frame": "CY2018Q2"
            }
          ]
        }
      },
      "CapitalizedContractCostNet": {
        "label": "Capitalized Contract Cost, Net",
        "description": "Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.",
        "units": {
          "USD": [
            {
              "end": "2017-12-31",
              "val": 4500000,
              "accn": "0001564590-18-009338",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-26"
            },
            {
              "end": "2017-12-31",
              "val": 4500000,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26"
            },
            {
              "end": "2017-12-31",
              "val": 4500000,
              "accn": "0001564590-18-025131",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-25"
            },
            {
              "end": "2017-12-31",
              "val": 4500000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-03-31",
              "val": 4300000,
              "accn": "0001564590-18-009338",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-04-26",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-06-30",
              "val": 4000000,
              "accn": "0001564590-18-017618",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-07-26",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-09-30",
              "val": 3900000,
              "accn": "0001564590-18-025131",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-10-25",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2018-12-31",
              "val": 4200000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20"
            },
            {
              "end": "2018-12-31",
              "val": 4200000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-12-31",
              "val": 4800000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "end": "2019-12-31",
              "val": 4800000,
              "accn": "0001564590-21-005783",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
              "val": 6100000,
              "accn": "0001564590-21-005783",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "end": "2020-12-31",
              "val": 6100000,
              "accn": "0001564590-22-005287",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-16",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 4700000,
              "accn": "0001564590-22-005287",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-16"
            },
            {
              "end": "2021-12-31",
              "val": 4700000,
              "accn": "0001564590-23-002012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-16",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 15800000,
              "accn": "0001564590-23-002012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-16"
            },
            {
              "end": "2022-12-31",
              "val": 15800000,
              "accn": "0000950170-24-015847",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-15",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 15700000,
              "accn": "0000950170-24-015847",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-15"
            },
            {
              "end": "2023-12-31",
              "val": 15700000,
              "accn": "0000950170-25-021814",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-18",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 48300000,
              "accn": "0000950170-25-021814",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-18"
            },
            {
              "end": "2024-12-31",
              "val": 48300000,
              "accn": "0001050446-26-000020",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-19",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 79300000,
              "accn": "0001050446-26-000020",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-19",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "CapitalLeaseObligationsIncurred": {
        "label": "Lease Obligation Incurred",
        "description": "Amount of increase in lease obligation from new lease.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 0,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 2505000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDue": {
        "label": "Capital Leases, Future Minimum Payments Due",
        "description": "Amount of minimum lease payments for capital leases.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 2119000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 3977000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 1720000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 167000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 2202000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueCurrent": {
        "label": "Capital Leases, Future Minimum Payments Due, Next Twelve Months",
        "description": "Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 863000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 2358000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 1563000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 124000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 1101000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Five Years",
        "description": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 0,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 0,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 0,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 0,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 0,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Four Years",
        "description": "Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 41000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 0,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 18000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 1000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 0,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInThreeYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Three Years",
        "description": "Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 293000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 104000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 18000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 21000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 0,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInTwoYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Two Years",
        "description": "Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2012-12-31",
              "val": 922000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 1515000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 121000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
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              "end": "2018-12-31",
              "val": 15607000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Four Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
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            {
              "end": "2011-12-31",
              "val": 16543000,
              "accn": "0001193125-12-067605",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 15265000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 15439000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 17270000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 16471000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 18103000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 2610000,
              "accn": "0001564590-18-001547",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 15694000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20"
            },
            {
              "end": "2018-12-31",
              "val": 15694000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInThreeYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Three Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
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            {
              "end": "2011-12-31",
              "val": 19648000,
              "accn": "0001193125-12-067605",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 17663000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 17652000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 17861000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 17618000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 18245000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 18779000,
              "accn": "0001564590-18-001547",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 18573000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20"
            },
            {
              "end": "2018-12-31",
              "val": 18573000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInTwoYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Two Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 22840000,
              "accn": "0001193125-12-067605",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 21471000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 21179000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 21150000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 18530000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 19608000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 20059000,
              "accn": "0001564590-18-001547",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 25583000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20"
            },
            {
              "end": "2018-12-31",
              "val": 25583000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueThereafter": {
        "label": "Operating Leases, Future Minimum Payments, Due Thereafter",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 54522000,
              "accn": "0001193125-12-067605",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-17",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 41576000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 31353000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 19929000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 3761000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 5807000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 4276000,
              "accn": "0001564590-18-001547",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-07",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 92347000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20"
            },
            {
              "end": "2018-12-31",
              "val": 92347000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesRentExpenseNet": {
        "label": "Operating Leases, Rent Expense, Net",
        "description": "Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.",
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              "end": "2010-12-31",
              "val": 29500000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 29900000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 25300000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 27100000,
              "accn": "0001193125-13-055763",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-13"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 26400000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 26400000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 28300000,
              "accn": "0001193125-14-048295",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-12"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 28300000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 28300000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 30400000,
              "accn": "0001193125-15-065807",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-26"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 30400000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 30400000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 22600000,
              "accn": "0001193125-16-479811",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-26"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 22600000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 22600000,
              "accn": "0001564590-18-001547",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-07",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 20300000,
              "accn": "0001564590-17-001395",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-10"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 20300000,
              "accn": "0001564590-18-001547",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-07"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 20300000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20",
              "frame": "CY2016"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 19800000,
              "accn": "0001564590-18-001547",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-07"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 19800000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20"
            },
            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 19800000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2017"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 18900000,
              "accn": "0001564590-19-003468",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-20"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 18900000,
              "accn": "0001564590-20-004679",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-14",
              "frame": "CY2018"
            }
          ]
        }
      },
      "OperatingLeaseWeightedAverageDiscountRatePercent": {
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "description": "Weighted average discount rate for operating lease calculated at point in time.",
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              "end": "2019-03-31",
              "val": 0.06,
              "accn": "0001564590-19-014300",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-04-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 0.06,
              "accn": "0001564590-19-026999",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-07-30",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 0.06,
              "accn": "0001564590-19-038406",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-10-29",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
              "val": 0.06,
              "accn": "0001564590-20-004679",
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              "form": "10-K",
              "filed": "2020-02-14"
            },
            {
              "end": "2019-12-31",
              "val": 0.06,
              "accn": "0001564590-21-005783",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "end": "2019-12-31",
              "val": 0.06,
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              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-16",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-12-31",
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              "accn": "0001564590-21-005783",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-12"
            },
            {
              "end": "2020-12-31",
              "val": 0.061,
              "accn": "0001564590-22-005287",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-16"
            },
            {
              "end": "2020-12-31",
              "val": 0.061,
              "accn": "0001564590-23-002012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-16",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 0.061,
              "accn": "0001564590-22-005287",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-16"
            },
            {
              "end": "2021-12-31",
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              "accn": "0001564590-23-002012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-16"
            },
            {
              "end": "2021-12-31",
              "val": 0.061,
              "accn": "0000950170-24-015847",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-15",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 0.061,
              "accn": "0001564590-23-002012",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-16"
            },
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      },
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        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value",
        "description": "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.",
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            {
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              "frame": "CY2026Q2I"
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        }
      },
      "StateAndLocalIncomeTaxExpenseBenefitContinuingOperations": {
        "label": "State and Local Income Tax Expense (Benefit), Continuing Operations",
        "description": "Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.",
        "units": {
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            {
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            {
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      "StockholdersEquityOther": {
        "label": "Stockholders' Equity, Other",
        "description": "This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.",
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        "label": "Custody Fees",
        "description": "Those fees charged for services related to holding, advising, and managing customer investment assets. These account fees usually charged annually or semi-annually, on a per security basis, for the costs of services.",
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      "NetIncomeLossAvailableToCommonStockholdersDiluted": {
        "label": "Net Income (Loss) Available to Common Stockholders, Diluted",
        "description": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.",
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            {
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            {
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            {
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      },
      "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent",
        "description": "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.",
        "units": {
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      },
      "ProceedsFromPaymentsForOtherFinancingActivities": {
        "label": "Proceeds from (Payments for) Other Financing Activities",
        "description": "Amount of cash inflow (outflow) from financing activities classified as other.",
        "units": {
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            {
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            {
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            {
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          ]
        }
      },
      "TemporaryEquityAggregateAmountOfRedemptionRequirement": {
        "label": "Temporary Equity, Aggregate Amount of Redemption Requirement",
        "description": "Aggregate amount of redemption requirements for each class or type of redeemable stock classified as temporary equity for each of the five years following the latest balance sheet date. The redemption requirement does not constitute an unconditional obligation that will be settled in a variable number of shares constituting a monetary value predominantly indexed to (a) a fixed monetary amount known at inception, (b) an amount inversely correlated with the residual value of the entity, or (c) an amount determined by reference to something other than the fair value of issuer's stock. Does not include mandatorily redeemable stock. The exception is if redemption is required upon liquidation or termination of the reporting entity.",
        "units": {
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            {
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            {
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          ]
        }
      },
      "TemporaryEquityLiquidationPreference": {
        "label": "Temporary Equity, Liquidation Preference",
        "description": "The aggregate liquidation preference (or restrictions) of stock classified as temporary equity that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. 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 put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.",
        "units": {
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              "val": 8032324000,
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            {
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            {
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            {
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          ]
        }
      },
      "TemporaryEquityParOrStatedValuePerShare": {
        "label": "Temporary Equity, Par or Stated Value Per Share",
        "description": "Per share amount of par value or stated value of stock classified as temporary 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.",
        "units": {
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            {
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            {
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          ]
        }
      },
      "TemporaryEquitySharesAuthorized": {
        "label": "Temporary Equity, Shares Authorized",
        "description": "The maximum number of securities classified as temporary equity that are permitted to be issued by an entity's charter and bylaws. 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 put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.",
        "units": {
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              "val": 442361000,
              "accn": "0001050446-26-000031",
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            {
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              "frame": "CY2025Q4I"
            },
            {
              "end": "2026-03-31",
              "val": 424953000,
              "accn": "0001050446-26-000031",
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              "frame": "CY2026Q1I"
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            {
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              "accn": "0001050446-26-000044",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-08-03",
              "frame": "CY2026Q2I"
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          ]
        }
      },
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        "label": "Temporary Equity, Shares Issued",
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        "label": "Debt Securities, Available-for-sale, Amortized Cost",
        "description": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
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        "label": "Debt Securities, Available-for-sale, Current",
        "description": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.",
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        "label": "Contract with Customer, Asset, after Allowance for Credit Loss, Current",
        "description": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.",
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        "label": "Convertible Preferred Dividends, Net of Tax",
        "description": "The after-tax amount of any dividends on convertible preferred stock.",
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