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            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": 654000,
              "accn": "0001015328-15-000222",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-11-09"
            },
            {
              "start": "2015-07-01",
              "end": "2015-09-30",
              "val": 87000,
              "accn": "0001015328-15-000222",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-11-09",
              "frame": "CY2015Q3"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 658000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-03-31",
              "val": 2550000,
              "accn": "0001015328-16-000344",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-05-09",
              "frame": "CY2016Q1"
            },
            {
              "start": "2016-01-01",
              "end": "2016-06-30",
              "val": 4037000,
              "accn": "0001015328-16-000382",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-08"
            },
            {
              "start": "2016-04-01",
              "end": "2016-06-30",
              "val": 1487000,
              "accn": "0001015328-16-000382",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-08",
              "frame": "CY2016Q2"
            }
          ]
        }
      },
      "AvailableForSaleSecuritiesGrossRealizedLosses": {
        "label": "Available-for-sale Securities, Gross Realized Losses",
        "description": "This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.",
        "units": {
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              "start": "2009-01-01",
              "end": "2009-12-31",
              "val": 1910000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": 111000,
              "accn": "0000950123-11-075116",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
              "start": "2009-12-30",
              "end": "2010-09-30",
              "val": 112000,
              "accn": "0001193125-11-303924",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09"
            },
            {
              "start": "2010-07-01",
              "end": "2010-09-30",
              "val": 1000,
              "accn": "0001193125-11-303924",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09",
              "frame": "CY2010Q3"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 119000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 119000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2010"
            },
            {
              "start": "2010-12-30",
              "end": "2011-09-30",
              "val": 67000,
              "accn": "0001193125-11-303924",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 67000,
              "accn": "0001015328-12-000037",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-08"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": 67000,
              "accn": "0001193125-11-303924",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": 67000,
              "accn": "0001015328-12-000037",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-08",
              "frame": "CY2011Q3"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 82000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 82000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 82000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2011"
            },
            {
              "start": "2011-12-31",
              "end": "2012-03-31",
              "val": 12000,
              "accn": "0001193125-12-222018",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-09",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 12000,
              "accn": "0001015328-13-000114",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-09"
            },
            {
              "start": "2011-12-30",
              "end": "2012-06-30",
              "val": 12000,
              "accn": "0001193125-12-346293",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-09"
            },
            {
              "start": "2012-01-01",
              "end": "2012-06-30",
              "val": 12000,
              "accn": "0001015328-13-000156",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08"
            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": 0,
              "accn": "0001015328-13-000156",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": 16000,
              "accn": "0001015328-12-000037",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-08"
            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": 16000,
              "accn": "0001015328-13-000203",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 4000,
              "accn": "0001015328-12-000037",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-08"
            },
            {
              "start": "2012-07-01",
              "end": "2012-09-30",
              "val": 4000,
              "accn": "0001015328-13-000203",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07",
              "frame": "CY2012Q3"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 23000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 23000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 23000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": 62000,
              "accn": "0001015328-13-000114",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-09"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": 62000,
              "accn": "0001015328-14-000112",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-05-08",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 63000,
              "accn": "0001015328-13-000156",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 63000,
              "accn": "0001015328-14-000171",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-08"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 1000,
              "accn": "0001015328-13-000156",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 1000,
              "accn": "0001015328-14-000171",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-08",
              "frame": "CY2013Q2"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": 106000,
              "accn": "0001015328-13-000203",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": 43000,
              "accn": "0001015328-13-000203",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07",
              "frame": "CY2013Q3"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 106000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 106000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 106000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2013"
            },
            {
              "start": "2014-01-01",
              "end": "2014-03-31",
              "val": 88000,
              "accn": "0001015328-14-000112",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-05-08",
              "frame": "CY2014Q1"
            },
            {
              "start": "2014-01-01",
              "end": "2014-06-30",
              "val": 523000,
              "accn": "0001015328-14-000171",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-08"
            },
            {
              "start": "2014-04-01",
              "end": "2014-06-30",
              "val": 435000,
              "accn": "0001015328-14-000171",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-08",
              "frame": "CY2014Q2"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 909000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 909000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 335000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015"
            }
          ]
        }
      },
      "AvailableForSaleSecuritiesGrossUnrealizedLosses1": {
        "label": "Available-for-sale Securities, Gross Unrealized Losses (Deprecated 2013-01-31)",
        "description": "This item represents the gross unrealized losses for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.",
        "units": {
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              "end": "2010-12-31",
              "val": 12636000,
              "accn": "0001193125-12-087583",
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            },
            {
              "end": "2010-12-31",
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            },
            {
              "end": "2010-12-31",
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            },
            {
              "end": "2011-06-30",
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            },
            {
              "end": "2011-09-30",
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            {
              "end": "2011-12-31",
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            },
            {
              "end": "2011-12-31",
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            },
            {
              "end": "2011-12-31",
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            },
            {
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              "fy": 2012,
              "fp": "FY",
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              "filed": "2013-02-28",
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            },
            {
              "end": "2011-12-31",
              "val": 15338000,
              "accn": "0001015328-12-000037",
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            },
            {
              "end": "2012-03-31",
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            },
            {
              "end": "2012-03-31",
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              "fy": 2013,
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            },
            {
              "end": "2012-06-30",
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            },
            {
              "end": "2012-09-30",
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              "accn": "0001015328-12-000037",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2012-11-08",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2012-12-31",
              "val": 9593000,
              "accn": "0001015328-13-000114",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-09",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 9593000,
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            },
            {
              "end": "2013-03-31",
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              "accn": "0001015328-13-000114",
              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-05-09",
              "frame": "CY2013Q1I"
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          ]
        }
      },
      "AvailableForSaleSecuritiesPledgedAsCollateral": {
        "label": "Available-for-sale Securities Pledged as Collateral (Deprecated 2018-01-31)",
        "description": "The fair value of available-for-sale securities that serve as collateral for borrowings.",
        "units": {
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            {
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            {
              "end": "2011-09-30",
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            {
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            {
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              "accn": "0001015328-13-000073",
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              "fp": "FY",
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              "filed": "2013-02-28",
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            },
            {
              "end": "2012-03-31",
              "val": 1100000000,
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              "fy": 2012,
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            {
              "end": "2012-03-31",
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              "fy": 2013,
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              "form": "10-Q",
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            },
            {
              "end": "2012-06-30",
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            {
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              "filed": "2016-05-09",
              "frame": "CY2016Q1"
            },
            {
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              "fy": 2016,
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            {
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              "end": "2016-06-30",
              "val": 1440000,
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              "fy": 2016,
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      },
      "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue": {
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value",
        "description": "Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.",
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        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition",
        "description": "Amount of cash flows expected to be collected at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.",
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              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 900000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29"
            },
            {
              "start": "2014-01-01",
              "end": "2014-12-31",
              "val": 900000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 985000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 985000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2015"
            },
            {
              "start": "2016-01-01",
              "end": "2016-12-31",
              "val": 2300000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016"
            }
          ]
        }
      },
      "EmployeeStockOwnershipPlanESOPCompensationExpense": {
        "label": "Employee Stock Ownership Plan (ESOP), Compensation Expense",
        "description": "The amount of plan compensation cost recognized during the period.",
        "units": {
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              "end": "2009-12-31",
              "val": 963000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 274000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 300000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 300000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 421000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 355000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013"
            }
          ]
        }
      },
      "EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares": {
        "label": "Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares",
        "description": "The shares that, although not legally released, will be released by a future scheduled and committed debt service payment and will be allocated to employees for service rendered in the current accounting period. The ESOP documents typically define the period of service to which the shares relate. ESOP shares are released to compensate employees directly, to settle employer liabilities for other employee benefits, and to replace dividends on allocated shares that are used for debt service.",
        "units": {
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              "val": 13012,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 15008,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "EmployeeStockOwnershipPlanESOPSharesContributedToESOP": {
        "label": "Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP",
        "description": "This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.",
        "units": {
          "shares": [
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              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 71077,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2011"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 66237,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2012"
            },
            {
              "start": "2013-01-01",
              "end": "2013-12-31",
              "val": 62096,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013"
            }
          ]
        }
      },
      "EmployeeStockOwnershipPlanESOPSharesInESOP": {
        "label": "Employee Stock Ownership Plan (ESOP), Shares in ESOP",
        "description": "Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.",
        "units": {
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              "end": "2009-12-31",
              "val": 119341,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009Q4I"
            },
            {
              "end": "2010-12-31",
              "val": 53909,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 71077,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 259020,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 192499,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "EquipmentExpense": {
        "label": "Equipment Expense",
        "description": "This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.",
        "units": {
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              "end": "2008-12-31",
              "val": 16215000,
              "accn": "0000950123-11-020362",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-03-01",
              "frame": "CY2008"
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            {
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              "val": 7953000,
              "accn": "0000950123-10-074756",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09"
            },
            {
              "start": "2009-04-01",
              "end": "2009-06-30",
              "val": 4015000,
              "accn": "0000950123-10-074756",
              "fy": 2010,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2010-08-09",
              "frame": "CY2009Q2"
            },
            {
              "start": "2009-01-01",
              "end": "2009-09-30",
              "val": 12022000,
              "accn": "0000950123-10-098510",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-01"
            },
            {
              "start": "2009-07-01",
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              "val": 4069000,
              "accn": "0000950123-10-098510",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-01",
              "frame": "CY2009Q3"
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            {
              "start": "2009-01-01",
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              "val": 16119000,
              "accn": "0000950123-11-020362",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2011-03-01"
            },
            {
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              "end": "2009-12-31",
              "val": 16119000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2009"
            },
            {
              "start": "2010-01-01",
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              "val": 3896000,
              "accn": "0000950123-11-047329",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2010Q1"
            },
            {
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              "accn": "0000950123-10-074756",
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              "form": "10-Q",
              "filed": "2011-08-09"
            },
            {
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              "end": "2010-06-30",
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              "accn": "0000950123-10-074756",
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              "form": "10-Q",
              "filed": "2010-08-09"
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            {
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              "accn": "0000950123-11-075116",
              "fy": 2011,
              "fp": "Q2",
              "form": "10-Q",
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            {
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              "form": "10-Q",
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            {
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              "val": 12144000,
              "accn": "0000950123-10-098510",
              "fy": 2010,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2010-11-01"
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            {
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              "val": 4203000,
              "accn": "0000950123-10-098510",
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            },
            {
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              "val": 4203000,
              "accn": "0001193125-11-303924",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09",
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            },
            {
              "start": "2010-01-01",
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              "val": 16529000,
              "accn": "0000950123-11-020362",
              "fy": 2010,
              "fp": "FY",
              "form": "10-K",
              "filed": "2011-03-01"
            },
            {
              "start": "2010-01-01",
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              "val": 16529000,
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            },
            {
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              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2010"
            },
            {
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            },
            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 4264000,
              "accn": "0000950123-11-047329",
              "fy": 2011,
              "fp": "Q1",
              "form": "10-Q",
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            {
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              "end": "2011-06-30",
              "val": 8673000,
              "accn": "0001193125-12-346293",
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              "filed": "2012-08-09"
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            {
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              "accn": "0000950123-11-075116",
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            },
            {
              "start": "2011-03-31",
              "end": "2011-06-30",
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              "accn": "0001193125-12-346293",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-09",
              "frame": "CY2011Q2"
            },
            {
              "start": "2011-04-01",
              "end": "2011-06-30",
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              "accn": "0000950123-11-075116",
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            },
            {
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              "end": "2011-09-30",
              "val": 13174000,
              "accn": "0001193125-11-303924",
              "fy": 2011,
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              "form": "10-Q",
              "filed": "2011-11-09"
            },
            {
              "start": "2011-01-01",
              "end": "2011-09-30",
              "val": 13174000,
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              "fy": 2012,
              "fp": "Q3",
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              "filed": "2012-11-08"
            },
            {
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              "val": 4501000,
              "accn": "0001193125-11-303924",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09"
            },
            {
              "start": "2011-07-01",
              "end": "2011-09-30",
              "val": 4501000,
              "accn": "0001015328-12-000037",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-08",
              "frame": "CY2011Q3"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 18267000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
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            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
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              "fy": 2012,
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              "filed": "2013-02-28"
            },
            {
              "start": "2011-01-01",
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              "val": 18267000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2011"
            },
            {
              "start": "2011-12-31",
              "end": "2012-03-31",
              "val": 5400000,
              "accn": "0001193125-12-222018",
              "fy": 2012,
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              "form": "10-Q",
              "filed": "2012-05-09",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-01-01",
              "end": "2012-03-31",
              "val": 5400000,
              "accn": "0001015328-13-000114",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-09"
            },
            {
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              "end": "2012-06-30",
              "val": 10866000,
              "accn": "0001193125-12-346293",
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            },
            {
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              "val": 10866000,
              "accn": "0001015328-13-000156",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08"
            },
            {
              "start": "2012-03-31",
              "end": "2012-06-30",
              "val": 5466000,
              "accn": "0001193125-12-346293",
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              "fp": "Q2",
              "form": "10-Q",
              "filed": "2012-08-09",
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            },
            {
              "start": "2012-04-01",
              "end": "2012-06-30",
              "val": 5466000,
              "accn": "0001015328-13-000156",
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              "fp": "Q2",
              "form": "10-Q",
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            },
            {
              "start": "2012-01-01",
              "end": "2012-09-30",
              "val": 16754000,
              "accn": "0001015328-12-000037",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-11-08"
            },
            {
              "start": "2012-01-01",
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              "val": 16754000,
              "accn": "0001015328-13-000203",
              "fy": 2013,
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            },
            {
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              "val": 5888000,
              "accn": "0001015328-12-000037",
              "fy": 2012,
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            {
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            {
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              "accn": "0001015328-13-000073",
              "fy": 2012,
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            },
            {
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              "accn": "0001015328-14-000073",
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            },
            {
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            {
              "start": "2013-01-01",
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              "val": 6184000,
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              "fy": 2013,
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              "form": "10-Q",
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            {
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              "val": 6184000,
              "accn": "0001015328-14-000112",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-05-08",
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            },
            {
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              "end": "2013-06-30",
              "val": 12597000,
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              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": 12597000,
              "accn": "0001015328-14-000171",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-08-08"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": 6413000,
              "accn": "0001015328-13-000156",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08"
            },
            {
              "start": "2013-04-01",
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        "description": "Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits.",
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            {
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            {
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            {
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            {
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            {
              "start": "2017-01-01",
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            {
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              "end": "2017-09-30",
              "val": 590000,
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            {
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              "val": 3593000,
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            {
              "start": "2017-01-01",
              "end": "2017-12-31",
              "val": 3593000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
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            {
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              "end": "2017-12-31",
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              "filed": "2020-02-28",
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            {
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              "end": "2018-03-31",
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            {
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              "end": "2018-06-30",
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            {
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              "val": 3906000,
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            {
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              "end": "2018-06-30",
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            {
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              "val": 980000,
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              "fy": 2019,
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              "filed": "2019-08-09",
              "frame": "CY2018Q2"
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            {
              "start": "2018-01-01",
              "end": "2018-09-30",
              "val": 4502000,
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              "fy": 2018,
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            {
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              "end": "2018-09-30",
              "val": 4502000,
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            },
            {
              "start": "2018-07-01",
              "end": "2018-09-30",
              "val": 596000,
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              "fy": 2018,
              "fp": "Q3",
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              "filed": "2018-11-09"
            },
            {
              "start": "2018-07-01",
              "end": "2018-09-30",
              "val": 596000,
              "accn": "0001015328-19-000184",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-11-08",
              "frame": "CY2018Q3"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 6120000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
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              "form": "10-K",
              "filed": "2019-02-28"
            },
            {
              "start": "2018-01-01",
              "end": "2018-12-31",
              "val": 6120000,
              "accn": "0001015328-20-000067",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-28",
              "frame": "CY2018"
            },
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 632000,
              "accn": "0001015328-19-000100",
              "fy": 2019,
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              "form": "10-Q",
              "filed": "2019-05-09",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 1922000,
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              "filed": "2019-08-09"
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            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 1290000,
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              "fy": 2019,
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              "form": "10-Q",
              "filed": "2019-08-09",
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            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 3092000,
              "accn": "0001015328-19-000184",
              "fy": 2019,
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              "form": "10-Q",
              "filed": "2019-11-08"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 1170000,
              "accn": "0001015328-19-000184",
              "fy": 2019,
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              "form": "10-Q",
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              "frame": "CY2019Q3"
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            {
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              "end": "2019-12-31",
              "val": 3628000,
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              "fy": 2019,
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              "frame": "CY2019"
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        }
      },
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              "filed": "2011-08-09"
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              "filed": "2012-02-29",
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        }
      },
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              "filed": "2011-08-09"
            },
            {
              "start": "2010-12-30",
              "end": "2011-09-30",
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            {
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              "filed": "2011-08-09"
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            {
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              "val": 1042000,
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              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09"
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            {
              "start": "2011-01-01",
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              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011"
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            {
              "start": "2011-12-31",
              "end": "2012-03-31",
              "val": 3997000,
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              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-09",
              "frame": "CY2012Q1"
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          ]
        }
      },
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        "label": "Future Amortization Expense, Year Three (Deprecated 2012-01-31)",
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          "USD": [
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              "end": "2011-06-30",
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            {
              "start": "2010-12-30",
              "end": "2011-09-30",
              "val": 3860000,
              "accn": "0001193125-11-303924",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09"
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              "filed": "2012-02-29",
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              "end": "2012-03-31",
              "val": 2017000,
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-09",
              "frame": "CY2012Q1"
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          ]
        }
      },
      "FutureAmortizationExpenseYearTwo": {
        "label": "Future Amortization Expense, Year Two (Deprecated 2012-01-31)",
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          "USD": [
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              "end": "2011-06-30",
              "val": 2728000,
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              "form": "10-Q",
              "filed": "2011-08-09"
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            {
              "start": "2010-12-30",
              "end": "2011-09-30",
              "val": 4073000,
              "accn": "0001193125-11-303924",
              "fy": 2011,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2011-11-09"
            },
            {
              "start": "2011-01-01",
              "end": "2011-12-31",
              "val": 3898000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
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              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011"
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            {
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              "end": "2012-03-31",
              "val": 3511000,
              "accn": "0001193125-12-222018",
              "fy": 2012,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-05-09",
              "frame": "CY2012Q1"
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          ]
        }
      },
      "GainLossOnContractTermination": {
        "label": "Gain (Loss) on Contract Termination",
        "description": "Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.",
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              "end": "2017-10-16",
              "val": 400000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28"
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            {
              "end": "2017-10-16",
              "val": 400000,
              "accn": "0001015328-19-000055",
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          ]
        }
      },
      "GainLossOnSaleOfMortgageLoans": {
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              "filed": "2019-11-08",
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            {
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            {
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            },
            {
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            },
            {
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              "val": 23020000,
              "accn": "0001015328-25-000093",
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            {
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          ]
        }
      },
      "LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear": {
        "label": "Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year",
        "description": "Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.",
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          ]
        }
      },
      "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": {
        "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
        "description": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.",
        "units": {
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      },
      "LessorOperatingLeasePaymentsToBeReceived": {
        "label": "Lessor, Operating Lease, Payments to be Received",
        "description": "Amount of lease payments to be received by lessor for operating lease.",
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        }
      },
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          ]
        }
      },
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        "description": "Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
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        }
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        }
      },
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        }
      },
      "LettersOfCreditOutstandingAmount": {
        "label": "Letters of Credit Outstanding, Amount",
        "description": "The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.",
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      "NotionalAmountOfInterestRateDerivatives": {
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      },
      "NumberOfInterestRateDerivativesHeld": {
        "label": "Number of Interest Rate Derivatives Held",
        "description": "Number of interest rate derivative instruments held by the entity at the reporting date.",
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            {
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            {
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            {
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            {
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              "frame": "CY2020Q1"
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            {
              "start": "2020-01-01",
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              "val": 3,
              "accn": "0001015328-20-000165",
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            {
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              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-11-06"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 3,
              "accn": "0001015328-21-000057",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-26",
              "frame": "CY2020"
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            {
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              "end": "2021-03-31",
              "val": 3,
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            {
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              "val": 3,
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            {
              "start": "2021-01-01",
              "end": "2021-09-30",
              "val": 3,
              "accn": "0001015328-21-000189",
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            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 3,
              "accn": "0001015328-22-000057",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-25",
              "frame": "CY2021"
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            {
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              "form": "10-Q",
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              "start": "2013-01-01",
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            {
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            {
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            {
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              "accn": "0001015328-20-000165",
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            },
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              "accn": "0001015328-20-000120",
              "fy": 2020,
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              "fp": "Q1",
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              "form": "10-Q",
              "filed": "2020-08-07"
            },
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            },
            {
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              "accn": "0001015328-21-000150",
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              "fp": "Q2",
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            },
            {
              "start": "2020-01-01",
              "end": "2020-09-30",
              "val": 35486000,
              "accn": "0001015328-20-000202",
              "fy": 2020,
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              "form": "10-Q",
              "filed": "2020-11-06"
            },
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              "form": "10-K",
              "filed": "2022-02-25",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 166738000,
              "accn": "0001015328-23-000070",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-28",
              "frame": "CY2022Q4I"
            },
            {
              "end": "2023-12-31",
              "val": 166323000,
              "accn": "0001015328-24-000083",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-28",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 153610000,
              "accn": "0001015328-25-000093",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 142737000,
              "accn": "0001015328-26-000007",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-26",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "OperatingLeasePayments": {
        "label": "Operating Lease, Payments",
        "description": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.",
        "units": {
          "USD": [
            {
              "start": "2019-01-01",
              "end": "2019-03-31",
              "val": 5763000,
              "accn": "0001015328-19-000100",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-05-09",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-01-01",
              "end": "2019-06-30",
              "val": 11698000,
              "accn": "0001015328-19-000144",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-08-09"
            },
            {
              "start": "2019-04-01",
              "end": "2019-06-30",
              "val": 5935000,
              "accn": "0001015328-19-000144",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-08-09",
              "frame": "CY2019Q2"
            },
            {
              "start": "2019-01-01",
              "end": "2019-09-30",
              "val": 18156000,
              "accn": "0001015328-19-000184",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-11-08"
            },
            {
              "start": "2019-07-01",
              "end": "2019-09-30",
              "val": 6458000,
              "accn": "0001015328-19-000184",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-11-08",
              "frame": "CY2019Q3"
            },
            {
              "start": "2019-01-01",
              "end": "2019-12-31",
              "val": 23859000,
              "accn": "0001015328-20-000067",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-28",
              "frame": "CY2019"
            },
            {
              "start": "2020-01-01",
              "end": "2020-12-31",
              "val": 22747000,
              "accn": "0001015328-21-000057",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-26",
              "frame": "CY2020"
            },
            {
              "start": "2021-01-01",
              "end": "2021-12-31",
              "val": 23650000,
              "accn": "0001015328-22-000057",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-25",
              "frame": "CY2021"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 25379000,
              "accn": "0001015328-23-000070",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-28"
            },
            {
              "start": "2022-01-01",
              "end": "2022-12-31",
              "val": 25379000,
              "accn": "0001015328-24-000083",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-28",
              "frame": "CY2022"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 23599000,
              "accn": "0001015328-24-000083",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-28"
            },
            {
              "start": "2023-01-01",
              "end": "2023-12-31",
              "val": 23599000,
              "accn": "0001015328-25-000093",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28",
              "frame": "CY2023"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 24940000,
              "accn": "0001015328-25-000093",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28"
            },
            {
              "start": "2024-01-01",
              "end": "2024-12-31",
              "val": 24940000,
              "accn": "0001015328-26-000007",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-26",
              "frame": "CY2024"
            },
            {
              "start": "2025-01-01",
              "end": "2025-12-31",
              "val": 25584000,
              "accn": "0001015328-26-000007",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-26",
              "frame": "CY2025"
            }
          ]
        }
      },
      "OperatingLeaseRightOfUseAsset": {
        "label": "Operating Lease, Right-of-Use Asset",
        "description": "Amount of lessee's right to use underlying asset under operating lease.",
        "units": {
          "USD": [
            {
              "end": "2019-01-01",
              "val": 170600000,
              "accn": "0001015328-20-000067",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-28",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-03-31",
              "val": 165800000,
              "accn": "0001015328-19-000100",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-05-09",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-06-30",
              "val": 163100000,
              "accn": "0001015328-19-000144",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-08-09",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 160900000,
              "accn": "0001015328-19-000184",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-11-08",
              "frame": "CY2019Q3I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDue": {
        "label": "Operating Leases, Future Minimum Payments Due",
        "description": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 26362000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 32011000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 33031000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 166808000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 163232000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 166915000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 166183000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 205697000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueCurrent": {
        "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months",
        "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 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": "2011-12-31",
              "val": 4189000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 5583000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5112000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 8636000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 10515000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 10598000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 12791000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 15106000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Five 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 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": 2927000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 3099000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 3693000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 7872000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 9516000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 10686000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 10856000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 13201000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "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": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 2933000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 3923000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 4343000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 8672000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 8824000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 12196000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 11721000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 14253000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "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": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 3313000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 4138000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 4852000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 9203000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 9725000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 11730000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 13534000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 15116000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "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": 3989000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 4819000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5180000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 9807000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 10139000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 12299000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 13011000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 16406000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "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": 9011000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 10449000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 9851000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 122618000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 114513000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 109406000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 104270000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 131615000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsReceivable": {
        "label": "Operating Leases, Future Minimum Payments Receivable",
        "description": "Future minimum rental payments in aggregate as of the balance sheet date under operating leases.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 10402000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 29291000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 25269000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 16952000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 15798000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 18740000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 13631000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 29176000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsReceivableCurrent": {
        "label": "Operating Leases, Future Minimum Payments Receivable, Current",
        "description": "Future rental payments receivable within one year of the balance sheet date under an operating lease.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 2454000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 5459000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 5089000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 4532000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 5163000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 4986000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 4603000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 7533000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears": {
        "label": "Operating Leases, Future Minimum Payments Receivable, in Five Years",
        "description": "Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 1043000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 3966000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 3025000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 1199000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 1214000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 1633000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 1112000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 2117000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsReceivableInFourYears": {
        "label": "Operating Leases, Future Minimum Payments Receivable, in Four Years",
        "description": "Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 1541000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 4451000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 3636000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 2097000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 1729000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 2155000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 1750000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 3636000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears": {
        "label": "Operating Leases, Future Minimum Payments Receivable, in Three Years",
        "description": "Future rental payments receivable within the third year from the balance sheet date under an operating lease.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 1694000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 4998000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 4248000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 3157000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 2688000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 2764000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 2327000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 5081000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears": {
        "label": "Operating Leases, Future Minimum Payments Receivable, in Two Years",
        "description": "Future rental payments receivable within the second year from the balance sheet date under an operating lease.",
        "units": {
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            {
              "end": "2011-12-31",
              "val": 2157000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 5239000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 4941000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 4076000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 3946000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 4145000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 3054000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 5576000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsReceivableThereafter": {
        "label": "Operating Leases, Future Minimum Payments Receivable, Thereafter",
        "description": "Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2011-12-31",
              "val": 1513000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 5178000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
              "val": 4330000,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 1891000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 1058000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 3057000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-12-31",
              "val": 785000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 5233000,
              "accn": "0001015328-19-000055",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease": {
        "label": "Operating Leases, Income Statement, Depreciation Expense on Property Subject to or Held-for-lease",
        "description": "The total depreciation charge recorded for property subject to or held for lease.",
        "units": {
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              "val": 142000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28",
              "frame": "CY2014"
            },
            {
              "start": "2015-01-01",
              "end": "2015-03-31",
              "val": 57000,
              "accn": "0001015328-16-000344",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-05-09",
              "frame": "CY2015Q1"
            },
            {
              "start": "2015-01-01",
              "end": "2015-06-30",
              "val": 116000,
              "accn": "0001015328-16-000382",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-08"
            },
            {
              "start": "2015-04-01",
              "end": "2015-06-30",
              "val": 59000,
              "accn": "0001015328-16-000382",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-08-08",
              "frame": "CY2015Q2"
            },
            {
              "start": "2015-01-01",
              "end": "2015-09-30",
              "val": 547000,
              "accn": "0001015328-16-000427",
              "fy": 2016,
              "fp": "Q3",
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            {
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            {
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              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-28",
              "frame": "CY2017"
            },
            {
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              "end": "2018-03-31",
              "val": 9691000,
              "accn": "0001015328-18-000119",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-05-09",
              "frame": "CY2018Q1"
            },
            {
              "start": "2018-01-01",
              "end": "2018-06-30",
              "val": 18437000,
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              "fy": 2018,
              "fp": "Q2",
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            {
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              "filed": "2018-08-08",
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            },
            {
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            {
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              "form": "10-Q",
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            },
            {
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              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28"
            },
            {
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              "val": 38451000,
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              "fy": 2019,
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              "form": "10-K",
              "filed": "2020-02-28",
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            },
            {
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              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-28",
              "frame": "CY2019"
            }
          ]
        }
      },
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        "label": "Operating Leases, Income Statement, Minimum Lease Revenue",
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              "filed": "2017-02-28",
              "frame": "CY2014"
            },
            {
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              "end": "2015-12-31",
              "val": 7700000,
              "accn": "0001015328-17-000081",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-02-28"
            },
            {
              "start": "2015-01-01",
              "end": "2015-12-31",
              "val": 7700000,
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            {
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              "filed": "2019-02-28",
              "frame": "CY2016"
            },
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              "form": "10-K",
              "filed": "2018-02-28"
            },
            {
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              "accn": "0001015328-19-000055",
              "fy": 2018,
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              "filed": "2019-02-28",
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              "val": 11800000,
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              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-02-28",
              "frame": "CY2018"
            }
          ]
        }
      },
      "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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              "filed": "2012-02-29"
            },
            {
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              "accn": "0001015328-13-000073",
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              "filed": "2013-02-28",
              "frame": "CY2010"
            },
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              "filed": "2012-02-29"
            },
            {
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            },
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            },
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            },
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            },
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            },
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              "form": "10-K",
              "filed": "2015-02-27"
            },
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              "filed": "2016-02-29"
            },
            {
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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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          ]
        }
      },
      "OperatingLeaseWeightedAverageDiscountRatePercent": {
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
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              "filed": "2020-02-28",
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            {
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            {
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          ]
        }
      },
      "OriginationAndPurchasesOfMortgageBankingAssets": {
        "label": "Origination and Purchases of Mortgage Banking Assets (Deprecated 2013-01-31)",
        "description": "The value of mortgage-based securitized assets that were created through the writing and securitizing new loans and through purchasing previously securitized assets.",
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            {
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            {
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            {
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              "frame": "CY2024Q1I"
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            {
              "end": "2024-06-30",
              "val": 606579000,
              "accn": "0001015328-24-000187",
              "fy": 2024,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-08-08"
            },
            {
              "end": "2024-06-30",
              "val": 606579000,
              "accn": "0001015328-25-000188",
              "fy": 2025,
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              "frame": "CY2024Q2I"
            },
            {
              "end": "2024-09-30",
              "val": 647043000,
              "accn": "0001015328-24-000253",
              "fy": 2024,
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              "filed": "2024-11-08"
            },
            {
              "end": "2024-09-30",
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              "fp": "Q3",
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              "frame": "CY2024Q3I"
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            {
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            },
            {
              "end": "2024-12-31",
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            },
            {
              "end": "2024-12-31",
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            {
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            {
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            },
            {
              "end": "2025-03-31",
              "val": 529269000,
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-05-06",
              "frame": "CY2025Q1I"
            },
            {
              "end": "2025-06-30",
              "val": 625392000,
              "accn": "0001015328-25-000188",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-08-06"
            },
            {
              "end": "2025-06-30",
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            {
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            {
              "end": "2025-12-31",
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            },
            {
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            {
              "end": "2026-03-31",
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            {
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              "form": "10-Q",
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              "frame": "CY2026Q2I"
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        }
      },
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        "label": "Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax (Deprecated 2012-01-31)",
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            {
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            {
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            {
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              "start": "2010-01-01",
              "end": "2010-06-30",
              "val": 12040000,
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            {
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            {
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            {
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            {
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              "filed": "2012-05-09",
              "frame": "CY2011Q1"
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            {
              "start": "2011-01-01",
              "end": "2011-03-31",
              "val": 749000,
              "accn": "0000950123-11-047329",
              "fy": 2011,
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              "filed": "2011-05-09"
            },
            {
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              "end": "2011-06-30",
              "val": 7690000,
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              "fy": 2011,
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              "form": "10-Q",
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            {
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              "accn": "0001193125-11-303924",
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              "filed": "2011-11-09"
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            {
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              "val": 1525000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
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              "frame": "CY2011"
            },
            {
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      "OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleBeforeTaxes": {
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            {
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            {
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      "OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleNetOfTaxes": {
        "label": "Other Comprehensive Income (Loss), Effect of Change in Accounting Principle, Net of Taxes (Deprecated 2016-01-31)",
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        "units": {
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            {
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            {
              "start": "2010-01-01",
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            {
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              "val": 0,
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              "fy": 2012,
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          ]
        }
      },
      "OtherComprehensiveIncomeCumulativeEffectOfChangeInAccountingPrincipleTaxes": {
        "label": "Other Comprehensive Income (Loss), Effect of Change in Accounting Principle, Taxes (Deprecated 2016-01-31)",
        "description": "The sum of income taxes on the effects of a change in accounting principle recognized in a period as other comprehensive income.",
        "units": {
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      },
      "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent",
        "description": "Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, on 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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              "accn": "0001193125-12-346293",
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            {
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              "val": 2101000,
              "accn": "0001193125-12-346293",
              "fy": 2012,
              "fp": "Q2",
              "form": "10-Q",
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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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              "start": "2012-01-01",
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              "val": 0,
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            {
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              "end": "2012-06-30",
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            {
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            },
            {
              "start": "2012-07-01",
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              "val": 5897000,
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              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-11-07",
              "frame": "CY2012Q3"
            },
            {
              "start": "2013-01-01",
              "end": "2013-03-31",
              "val": -4866000,
              "accn": "0001015328-13-000114",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-05-09",
              "frame": "CY2013Q1"
            },
            {
              "start": "2013-01-01",
              "end": "2013-06-30",
              "val": -11184000,
              "accn": "0001015328-13-000156",
              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-08-08"
            },
            {
              "start": "2013-04-01",
              "end": "2013-06-30",
              "val": -6318000,
              "accn": "0001015328-13-000156",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-08-08",
              "frame": "CY2013Q2"
            },
            {
              "start": "2013-01-01",
              "end": "2013-09-30",
              "val": -7279000,
              "accn": "0001015328-13-000203",
              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-11-07"
            },
            {
              "start": "2013-07-01",
              "end": "2013-09-30",
              "val": 3905000,
              "accn": "0001015328-13-000203",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-11-07",
              "frame": "CY2013Q3"
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          ]
        }
      },
      "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax": {
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax",
        "description": "Amount after tax, before 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.",
        "units": {
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              "val": 0,
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              "accn": "0001015328-12-000037",
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            {
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            {
              "start": "2011-01-01",
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              "val": 0,
              "accn": "0001015328-13-000073",
              "fy": 2012,
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            },
            {
              "start": "2012-01-01",
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              "accn": "0001015328-12-000037",
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            },
            {
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              "frame": "CY2012Q3"
            },
            {
              "start": "2012-01-01",
              "end": "2012-12-31",
              "val": 6293000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
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              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2012"
            }
          ]
        }
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            },
            {
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              "val": 5011500,
              "accn": "0001015328-24-000083",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-28"
            },
            {
              "end": "2023-12-31",
              "val": 5011500,
              "accn": "0001015328-25-000093",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 5011500,
              "accn": "0001015328-25-000093",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28"
            },
            {
              "end": "2024-12-31",
              "val": 5011500,
              "accn": "0001015328-26-000007",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-26",
              "frame": "CY2024Q4I"
            },
            {
              "end": "2025-12-31",
              "val": 17000,
              "accn": "0001015328-26-000007",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-26",
              "frame": "CY2025Q4I"
            }
          ]
        }
      },
      "PreferredStockSharesOutstanding": {
        "label": "Preferred Stock, Shares Outstanding",
        "description": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.",
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              "val": 50000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2010Q4I"
            },
            {
              "end": "2011-12-31",
              "val": 50000,
              "accn": "0001193125-12-087583",
              "fy": 2011,
              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
              "end": "2011-12-31",
              "val": 50000,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-12-31",
              "val": 176500,
              "accn": "0001015328-13-000073",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-02-28"
            },
            {
              "end": "2012-12-31",
              "val": 176500,
              "accn": "0001015328-14-000073",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-02-28",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-12-31",
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              "filed": "2014-02-28"
            },
            {
              "end": "2013-12-31",
              "val": 126477,
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              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-12-31",
              "val": 126467,
              "accn": "0001015328-15-000040",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-02-27",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2018-12-31",
              "val": 5000000,
              "accn": "0001015328-20-000067",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2020-02-28",
              "frame": "CY2018Q4I"
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              "end": "2019-06-30",
              "val": 5000000,
              "accn": "0001015328-20-000165",
              "fy": 2020,
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              "form": "10-Q",
              "filed": "2020-08-07",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-09-30",
              "val": 5000000,
              "accn": "0001015328-20-000202",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-11-06",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2019-12-31",
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              "form": "10-K",
              "filed": "2020-02-28"
            },
            {
              "end": "2019-12-31",
              "val": 5000000,
              "accn": "0001015328-20-000165",
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              "form": "10-Q",
              "filed": "2020-08-07"
            },
            {
              "end": "2019-12-31",
              "val": 5000000,
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              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-11-06"
            },
            {
              "end": "2019-12-31",
              "val": 5000000,
              "accn": "0001015328-21-000057",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-26",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-06-30",
              "val": 5000000,
              "accn": "0001015328-20-000165",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-07",
              "frame": "CY2020Q2I"
            },
            {
              "end": "2020-09-30",
              "val": 5000000,
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-11-06",
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            {
              "end": "2020-12-31",
              "val": 5011500,
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              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-26"
            },
            {
              "end": "2020-12-31",
              "val": 5011500,
              "accn": "0001015328-22-000057",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-25",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 5011500,
              "accn": "0001015328-22-000057",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-25"
            },
            {
              "end": "2021-12-31",
              "val": 5011500,
              "accn": "0001015328-23-000070",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
              "val": 5011500,
              "accn": "0001015328-23-000070",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-28"
            },
            {
              "end": "2022-12-31",
              "val": 5011500,
              "accn": "0001015328-24-000083",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-28",
              "frame": "CY2022Q4I"
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            {
              "end": "2023-12-31",
              "val": 5011500,
              "accn": "0001015328-24-000083",
              "fy": 2023,
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              "form": "10-K",
              "filed": "2024-02-28"
            },
            {
              "end": "2023-12-31",
              "val": 5011500,
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              "fp": "FY",
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              "filed": "2025-02-28",
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            },
            {
              "end": "2024-12-31",
              "val": 5011500,
              "accn": "0001015328-25-000093",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28"
            },
            {
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              "val": 5011500,
              "accn": "0001015328-26-000007",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-02-26",
              "frame": "CY2024Q4I"
            },
            {
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          ]
        }
      },
      "PreferredStockValue": {
        "label": "Preferred Stock, Value, Issued",
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              "form": "10-K",
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              "frame": "CY2010Q4I"
            },
            {
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              "fp": "FY",
              "form": "10-K",
              "filed": "2012-02-29",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2013-09-30",
              "val": 126500000,
              "accn": "0001015328-14-000224",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-11-07",
              "frame": "CY2013Q3I"
            },
            {
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              "filed": "2014-11-07"
            },
            {
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              "filed": "2015-02-27",
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              "val": 126477000,
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              "filed": "2015-05-08",
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            },
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            },
            {
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              "val": 126467000,
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              "fy": 2014,
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              "filed": "2015-02-27"
            },
            {
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              "val": 126467000,
              "accn": "0001015328-15-000101",
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            },
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              "accn": "0001015328-15-000101",
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        }
      },
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        "label": "Prepayment Fees on Advances, Net",
        "description": "Amount of income earned, after hedging basis adjustments, from fees charged for prepayment of certain Federal Home Loan Bank (FHLBank) advances before original maturity.",
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            },
            {
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              "form": "10-Q",
              "filed": "2011-08-09",
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        "label": "Principal Amount Outstanding of Loans Held-in-portfolio",
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              "filed": "2015-02-27",
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            {
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              "filed": "2014-02-28"
            },
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              "filed": "2015-02-27",
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      },
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        "label": "Principal Amount Outstanding on Loans Managed and Securitized or Asset-backed Financing Arrangement",
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            {
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            },
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              "filed": "2020-02-28",
              "frame": "CY2017Q4I"
            },
            {
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            },
            {
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              "accn": "0001015328-18-000161",
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            },
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              "fy": 2019,
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              "form": "10-K",
              "filed": "2020-02-28"
            },
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              "filed": "2021-02-26",
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            },
            {
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              "accn": "0001015328-19-000100",
              "fy": 2019,
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              "filed": "2019-05-09"
            },
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        "label": "Proceeds from Life Insurance Policy",
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              "val": 790000,
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              "filed": "2020-02-28"
            },
            {
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              "val": 790000,
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              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-02-26",
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            },
            {
              "end": "2020-12-31",
              "val": 808000,
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              "filed": "2021-02-26"
            },
            {
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              "val": 808000,
              "accn": "0001015328-22-000057",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-25",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
              "val": 255000,
              "accn": "0001015328-22-000057",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-02-25"
            },
            {
              "end": "2021-12-31",
              "val": 255000,
              "accn": "0001015328-23-000070",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-02-28",
              "frame": "CY2021Q4I"
            },
            {
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              "filed": "2023-02-28"
            },
            {
              "end": "2022-12-31",
              "val": 102000,
              "accn": "0001015328-24-000083",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-02-28",
              "frame": "CY2022Q4I"
            },
            {
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              "val": 4000,
              "accn": "0001015328-24-000083",
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              "form": "10-K",
              "filed": "2024-02-28"
            },
            {
              "end": "2023-12-31",
              "val": 4000,
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              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28",
              "frame": "CY2023Q4I"
            },
            {
              "end": "2024-12-31",
              "val": 68000,
              "accn": "0001015328-25-000093",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-02-28"
            },
            {
              "end": "2024-12-31",
              "val": 68000,
              "accn": "0001015328-26-000007",
              "fy": 2025,
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            },
            {
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              "form": "10-K",
              "filed": "2026-02-26",
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            }
          ]
        }
      },
      "TimeDepositMaturitiesNextRollingTwelveMonths": {
        "label": "Time Deposit Maturities, Next Rolling Twelve Months",
        "description": "Amount of time deposits maturing in the next rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
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              "fy": 2014,
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              "form": "10-K",
              "filed": "2015-02-27"
            },
            {
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              "val": 2722029000,
              "accn": "0001015328-16-000285",
              "fy": 2015,
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              "form": "10-K",
              "filed": "2016-02-29",
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            },
            {
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              "fy": 2015,
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              "filed": "2016-02-29"
            },
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              "filed": "2017-02-28",
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            },
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            },
            {
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              "form": "10-K",
              "filed": "2018-02-28",
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            },
            {
              "end": "2017-12-31",
              "val": 3167220000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
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              "filed": "2018-02-28"
            },
            {
              "end": "2017-12-31",
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              "filed": "2019-02-28",
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            },
            {
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              "form": "10-K",
              "filed": "2019-02-28"
            },
            {
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              "filed": "2020-02-28",
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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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            },
            {
              "end": "2023-12-31",
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            {
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          ]
        }
      },
      "TimeDepositMaturitiesYearFive": {
        "label": "Time Deposit Maturities, Year Five",
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              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
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            {
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              "filed": "2013-02-28"
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            {
              "end": "2013-12-31",
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              "fy": 2013,
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              "form": "10-K",
              "filed": "2014-02-28"
            },
            {
              "end": "2013-12-31",
              "val": 74647000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
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              "filed": "2015-02-27",
              "frame": "CY2013Q4I"
            },
            {
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              "val": 69360000,
              "accn": "0001015328-15-000040",
              "fy": 2014,
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              "filed": "2015-02-27"
            },
            {
              "end": "2014-12-31",
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              "filed": "2016-02-29",
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            {
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              "form": "10-K",
              "filed": "2016-02-29"
            },
            {
              "end": "2015-12-31",
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              "filed": "2017-02-28",
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            {
              "end": "2016-12-31",
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              "filed": "2017-02-28"
            },
            {
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              "filed": "2018-02-28",
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            {
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              "filed": "2018-02-28"
            },
            {
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              "filed": "2019-02-28",
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            },
            {
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              "filed": "2019-02-28"
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            {
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              "filed": "2020-02-28",
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            },
            {
              "end": "2019-12-31",
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              "fy": 2019,
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              "filed": "2020-02-28"
            },
            {
              "end": "2019-12-31",
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              "filed": "2021-02-26",
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            {
              "end": "2020-12-31",
              "val": 15233000,
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              "filed": "2021-02-26"
            },
            {
              "end": "2020-12-31",
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              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-25",
              "frame": "CY2020Q4I"
            },
            {
              "end": "2021-12-31",
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              "fy": 2021,
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              "form": "10-K",
              "filed": "2022-02-25"
            },
            {
              "end": "2021-12-31",
              "val": 14286000,
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              "fy": 2022,
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              "form": "10-K",
              "filed": "2023-02-28",
              "frame": "CY2021Q4I"
            },
            {
              "end": "2022-12-31",
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              "filed": "2023-02-28"
            },
            {
              "end": "2022-12-31",
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              "filed": "2024-02-28",
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            {
              "end": "2023-12-31",
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              "form": "10-K",
              "filed": "2024-02-28"
            },
            {
              "end": "2023-12-31",
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              "filed": "2025-02-28",
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            {
              "end": "2024-12-31",
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              "filed": "2025-02-28"
            },
            {
              "end": "2024-12-31",
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              "filed": "2026-02-26",
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            {
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          ]
        }
      },
      "TimeDepositMaturitiesYearFour": {
        "label": "Time Deposit Maturities, Year Four",
        "description": "Amount of time deposit maturing in fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
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              "form": "10-K",
              "filed": "2012-02-29"
            },
            {
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              "filed": "2013-02-28",
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            {
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              "filed": "2013-02-28"
            },
            {
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              "filed": "2014-02-28",
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            {
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              "filed": "2014-02-28"
            },
            {
              "end": "2013-12-31",
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              "filed": "2015-02-27",
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            {
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              "val": 86884000,
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              "fy": 2014,
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              "filed": "2015-02-27"
            },
            {
              "end": "2014-12-31",
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              "fy": 2015,
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              "form": "10-K",
              "filed": "2016-02-29",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-12-31",
              "val": 85169000,
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              "fy": 2015,
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              "form": "10-K",
              "filed": "2016-02-29"
            },
            {
              "end": "2015-12-31",
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              "fy": 2016,
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              "filed": "2017-02-28",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-12-31",
              "val": 87509000,
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              "fy": 2016,
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              "form": "10-K",
              "filed": "2017-02-28"
            },
            {
              "end": "2016-12-31",
              "val": 87509000,
              "accn": "0001015328-18-000080",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-02-28",
              "frame": "CY2016Q4I"
            },
            {
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      },
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        "label": "Time Deposits, $100,000 or More",
        "description": "Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more.",
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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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            {
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            {
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              "end": "2012-09-30",
              "val": -1780000,
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            {
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            {
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            {
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            {
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            },
            {
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