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Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.", "units": {"USD": [{"start": "2010-01-01", "end": "2010-06-30", "val": 27074000, "accn": "0001140361-11-041403", "fy": 2011, "fp": "Q2", "form": "10-Q", "filed": "2011-08-12"}, {"start": "2010-01-01", "end": "2010-09-30", "val": 44778000, "accn": "0001140361-11-053056", "fy": 2011, "fp": "Q3", "form": "10-Q", "filed": "2011-11-14"}, {"start": "2010-01-01", "end": "2010-12-31", "val": 8196000, "accn": "0001140361-12-017382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-26", "frame": "CY2010"}, {"start": "2011-01-01", "end": "2011-03-31", "val": -9577000, "accn": "0001140361-12-024706", "fy": 2012, "fp": "Q1", "form": "10-Q", "filed": "2012-05-11", "frame": "CY2011Q1"}, {"start": "2011-01-01", "end": "2011-06-30", "val": -3673000, "accn": "0001140361-11-041403", "fy": 2011, "fp": "Q2", "form": "10-Q", "filed": "2011-08-12"}, {"start": "2011-01-01", "end": "2011-06-30", "val": -3673000, "accn": "0001140361-12-036199", "fy": 2012, "fp": "Q2", "form": "10-Q", "filed": "2012-08-10"}, {"start": "2011-01-01", "end": "2011-09-30", "val": -5940000, "accn": "0001140361-11-053056", "fy": 2011, "fp": "Q3", "form": "10-Q", "filed": "2011-11-14"}, {"start": "2011-01-01", "end": "2011-09-30", "val": -5940000, "accn": "0001140361-12-046376", "fy": 2012, "fp": "Q3", "form": "10-Q", "filed": "2012-11-09"}, {"start": "2011-01-01", "end": "2011-12-31", "val": -7040000, "accn": "0001140361-12-017382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-26"}, {"start": "2011-01-01", "end": "2011-12-31", "val": -7040000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27", "frame": "CY2011"}, {"start": "2012-01-01", "end": "2012-03-31", "val": -3248000, "accn": "0001140361-12-024706", "fy": 2012, "fp": "Q1", "form": "10-Q", "filed": "2012-05-11"}, {"start": "2012-01-01", "end": "2012-03-31", "val": -3248000, "accn": "0001140361-13-020475", "fy": 2013, "fp": "Q1", "form": "10-Q", "filed": "2013-05-14", "frame": "CY2012Q1"}, {"start": "2012-01-01", "end": "2012-06-30", "val": 573000, "accn": "0001140361-12-036199", "fy": 2012, "fp": "Q2", "form": "10-Q", "filed": "2012-08-10"}, {"start": "2012-01-01", "end": "2012-06-30", "val": 573000, "accn": "0001140361-13-031895", "fy": 2013, "fp": "Q2", "form": "10-Q", "filed": "2013-08-13"}, {"start": "2012-01-01", "end": "2012-09-30", "val": -2148000, "accn": "0001140361-12-046376", "fy": 2012, "fp": "Q3", "form": "10-Q", "filed": "2012-11-09"}, {"start": "2012-01-01", "end": "2012-09-30", "val": -2148000, "accn": "0001140361-13-041972", "fy": 2013, "fp": "Q3", "form": "10-Q", "filed": "2013-11-13"}, {"start": "2012-01-01", "end": "2012-12-31", "val": -2334000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27"}, {"start": "2012-01-01", "end": "2012-12-31", "val": -2334000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26", "frame": "CY2012"}, {"start": "2013-01-01", "end": "2013-03-31", "val": -174000, "accn": "0001140361-13-020475", "fy": 2013, "fp": "Q1", "form": "10-Q", "filed": "2013-05-14"}, {"start": "2013-01-01", "end": "2013-03-31", "val": -174000, "accn": "0001140361-14-020344", "fy": 2014, "fp": "Q1", "form": "10-Q", "filed": "2014-05-13", "frame": "CY2013Q1"}, {"start": "2013-01-01", "end": "2013-06-30", "val": 28146000, "accn": "0001140361-13-031895", "fy": 2013, "fp": "Q2", "form": "10-Q", "filed": "2013-08-13"}, {"start": "2013-01-01", "end": "2013-06-30", "val": 28146000, "accn": "0001140361-14-031839", "fy": 2014, "fp": "Q2", "form": "10-Q", "filed": "2014-08-12"}, {"start": "2013-01-01", "end": "2013-09-30", "val": 18301000, "accn": "0001140361-13-041972", "fy": 2013, "fp": "Q3", "form": "10-Q", "filed": "2013-11-13"}, {"start": "2013-01-01", "end": "2013-09-30", "val": 18301000, "accn": "0001140361-14-041125", "fy": 2014, "fp": "Q3", "form": "10-Q", "filed": "2014-11-12"}, {"start": "2013-01-01", "end": "2013-12-31", "val": 14151000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26"}, {"start": "2013-01-01", "end": "2013-12-31", "val": 14151000, "accn": "0001567619-15-000337", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-27", "frame": "CY2013"}, {"start": "2014-01-01", "end": "2014-03-31", "val": -5924000, "accn": "0001140361-14-020344", "fy": 2014, "fp": "Q1", "form": "10-Q", "filed": "2014-05-13"}, {"start": "2014-01-01", "end": "2014-03-31", "val": -5924000, "accn": "0001140361-15-019262", "fy": 2015, "fp": "Q1", "form": "10-Q", "filed": "2015-05-13", "frame": "CY2014Q1"}, {"start": "2014-01-01", "end": "2014-06-30", "val": -5343000, "accn": "0001140361-14-031839", "fy": 2014, "fp": "Q2", "form": "10-Q", "filed": "2014-08-12"}, {"start": "2014-01-01", "end": "2014-06-30", "val": -5343000, "accn": "0001140361-15-031274", "fy": 2015, "fp": "Q2", "form": "10-Q", "filed": "2015-08-12"}, {"start": "2014-01-01", "end": "2014-09-30", "val": -16608000, "accn": "0001140361-14-041125", "fy": 2014, "fp": "Q3", "form": "10-Q", "filed": "2014-11-12"}, {"start": "2014-01-01", "end": "2014-09-30", "val": -16608000, "accn": "0001140361-15-040387", "fy": 2015, "fp": "Q3", "form": "10-Q", "filed": "2015-11-10"}, {"start": "2014-01-01", "end": "2014-12-31", "val": -16727000, "accn": "0001567619-15-000337", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-27"}, {"start": "2014-01-01", "end": "2014-12-31", "val": -16727000, "accn": "0001567619-16-002103", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-29", "frame": "CY2014"}, {"start": "2015-01-01", "end": "2015-03-31", "val": 3320000, "accn": "0001140361-15-019262", "fy": 2015, "fp": "Q1", "form": "10-Q", "filed": "2015-05-13"}, {"start": "2015-01-01", "end": "2015-03-31", "val": 3320000, "accn": "0001140361-16-064724", "fy": 2016, "fp": "Q1", "form": "10-Q", "filed": "2016-05-12", "frame": "CY2015Q1"}, {"start": "2015-01-01", "end": "2015-06-30", "val": 16552000, "accn": "0001140361-15-031274", "fy": 2015, "fp": "Q2", "form": "10-Q", "filed": "2015-08-12"}, {"start": "2015-01-01", "end": "2015-06-30", "val": 16552000, "accn": "0001140361-16-076029", "fy": 2016, "fp": "Q2", "form": "10-Q", "filed": "2016-08-12"}, {"start": "2015-01-01", "end": "2015-09-30", "val": -1738000, "accn": "0001140361-15-040387", "fy": 2015, "fp": "Q3", "form": "10-Q", "filed": "2015-11-10"}, {"start": "2015-01-01", "end": "2015-09-30", "val": -1738000, "accn": "0001140361-16-086100", "fy": 2016, "fp": "Q3", "form": "10-Q", "filed": "2016-11-14"}, {"start": "2015-01-01", "end": "2015-12-31", "val": -753000, "accn": "0001567619-16-002103", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-29"}, {"start": "2015-01-01", "end": "2015-12-31", "val": -753000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24", "frame": "CY2015"}, {"start": "2016-01-01", "end": "2016-03-31", "val": -4838000, "accn": "0001140361-16-064724", "fy": 2016, "fp": "Q1", "form": "10-Q", "filed": "2016-05-12"}, {"start": "2016-01-01", "end": "2016-03-31", "val": -4838000, "accn": "0001140361-17-019978", "fy": 2017, "fp": "Q1", "form": "10-Q", "filed": "2017-05-12", "frame": "CY2016Q1"}, {"start": "2016-01-01", "end": "2016-06-30", "val": -1654000, "accn": "0001140361-16-076029", "fy": 2016, "fp": "Q2", "form": "10-Q", "filed": "2016-08-12"}, {"start": "2016-01-01", "end": "2016-06-30", "val": -1654000, "accn": "0001140361-17-031954", "fy": 2017, "fp": "Q2", "form": "10-Q", "filed": "2017-08-14"}, {"start": "2016-01-01", "end": "2016-09-30", "val": -3758000, "accn": "0001140361-16-086100", "fy": 2016, "fp": "Q3", "form": "10-Q", "filed": "2016-11-14"}, {"start": "2016-01-01", "end": "2016-09-30", "val": -3758000, "accn": "0001140361-17-042680", "fy": 2017, "fp": "Q3", "form": "10-Q", "filed": "2017-11-14"}, {"start": "2016-01-01", "end": "2016-12-31", "val": -2370000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24"}, {"start": "2016-01-01", "end": "2016-12-31", "val": -2370000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26", "frame": "CY2016"}, {"start": "2017-01-01", "end": "2017-03-31", "val": -2574000, "accn": "0001140361-17-019978", "fy": 2017, "fp": "Q1", "form": "10-Q", "filed": "2017-05-12"}, {"start": "2017-01-01", "end": "2017-03-31", "val": -2574000, "accn": "0001140361-18-022936", "fy": 2018, "fp": "Q1", "form": "10-Q", "filed": "2018-05-11", "frame": "CY2017Q1"}, {"start": "2017-01-01", "end": "2017-06-30", "val": -608000, "accn": "0001140361-17-031954", "fy": 2017, "fp": "Q2", "form": "10-Q", "filed": "2017-08-14"}, {"start": "2017-01-01", "end": "2017-06-30", "val": -608000, "accn": "0001140361-18-036314", "fy": 2018, "fp": "Q2", "form": "10-Q", "filed": "2018-08-14"}, {"start": "2017-01-01", "end": "2017-09-30", "val": -3779000, "accn": "0001140361-17-042680", "fy": 2017, "fp": "Q3", "form": "10-Q", "filed": "2017-11-14"}, {"start": "2017-01-01", "end": "2017-09-30", "val": -3779000, "accn": "0001140361-18-042963", "fy": 2018, "fp": "Q3", "form": "10-Q", "filed": "2018-11-13"}, {"start": "2017-01-01", "end": "2017-12-31", "val": 11295000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26"}, {"start": "2017-01-01", "end": "2017-12-31", "val": 11295000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01", "frame": "CY2017"}, {"start": "2018-01-01", "end": "2018-03-31", "val": -16109000, "accn": "0001140361-18-022936", "fy": 2018, "fp": "Q1", "form": "10-Q", "filed": "2018-05-11", "frame": "CY2018Q1"}, {"start": "2018-01-01", "end": "2018-06-30", "val": -17060000, "accn": "0001140361-18-036314", "fy": 2018, "fp": "Q2", "form": "10-Q", "filed": "2018-08-14"}, {"start": "2018-01-01", "end": "2018-09-30", "val": -14509000, "accn": "0001140361-18-042963", "fy": 2018, "fp": "Q3", "form": "10-Q", "filed": "2018-11-13"}, {"start": "2018-01-01", "end": "2018-12-31", "val": -11917000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01", "frame": "CY2018"}]}}, "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {"label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "description": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "units": {"USD": [{"end": "2017-12-31", "val": 24547000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13"}, {"end": "2017-12-31", "val": 24547000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13"}, {"end": "2017-12-31", "val": 24547000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12"}, {"end": "2017-12-31", "val": 24547000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2017Q4I"}, {"end": "2018-03-31", "val": 8438000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13", "frame": "CY2018Q1I"}, {"end": "2018-06-30", "val": 7487000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13", "frame": "CY2018Q2I"}, {"end": "2018-09-30", "val": 10038000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12", "frame": "CY2018Q3I"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-20-018114", "fy": 2020, "fp": "Q2", "form": "10-Q", "filed": "2020-08-11"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-20-025165", "fy": 2020, "fp": "Q3", "form": "10-Q", "filed": "2020-11-10"}, {"end": "2018-12-31", "val": 12630000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2018Q4I"}, {"end": "2019-03-31", "val": 8614000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13"}, {"end": "2019-03-31", "val": 8614000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11", "frame": "CY2019Q1I"}, {"end": "2019-06-30", "val": 11450000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13"}, {"end": "2019-06-30", "val": 11450000, "accn": "0001140361-20-018114", "fy": 2020, "fp": "Q2", "form": "10-Q", "filed": "2020-08-11", 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Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "units": {"USD": [{"end": "2019-12-31", "val": 978000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2019Q4I"}, {"end": "2020-03-31", "val": 1015000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11", "frame": "CY2020Q1I"}, {"end": "2020-06-30", "val": 1015000, "accn": "0001140361-20-018114", "fy": 2020, "fp": "Q2", "form": "10-Q", "filed": "2020-08-11", "frame": "CY2020Q2I"}, {"end": "2020-09-30", "val": 1015000, "accn": "0001140361-20-025165", "fy": 2020, "fp": "Q3", "form": "10-Q", "filed": "2020-11-10", "frame": "CY2020Q3I"}, {"end": "2020-12-31", "val": 1015000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2020Q4I"}, {"end": "2021-03-31", "val": 1031000, "accn": "0001140361-21-016787", "fy": 2021, "fp": "Q1", "form": "10-Q", "filed": "2021-05-11", "frame": "CY2021Q1I"}, {"end": "2021-06-30", "val": 1031000, "accn": "0001140361-21-027732", "fy": 2021, "fp": "Q2", "form": "10-Q", "filed": "2021-08-10", "frame": "CY2021Q2I"}, {"end": "2021-09-30", "val": 1031000, "accn": "0001140361-21-037383", "fy": 2021, "fp": "Q3", "form": "10-Q", "filed": "2021-11-10", "frame": "CY2021Q3I"}, {"end": "2021-12-31", "val": 1031000, "accn": "0001140361-22-011156", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-25", "frame": "CY2021Q4I"}, {"end": "2022-03-31", "val": 1048000, "accn": "0001140361-22-018619", "fy": 2022, "fp": "Q1", "form": "10-Q", "filed": "2022-05-11", "frame": "CY2022Q1I"}, {"end": "2022-06-30", "val": 1048000, "accn": "0001140361-22-029402", "fy": 2022, "fp": "Q2", "form": "10-Q", "filed": "2022-08-12", "frame": "CY2022Q2I"}, {"end": "2022-09-30", "val": 1048000, "accn": "0001140361-22-040481", "fy": 2022, "fp": "Q3", "form": "10-Q", "filed": "2022-11-08", "frame": "CY2022Q3I"}, {"end": "2022-12-31", "val": 1048000, "accn": "0001140361-23-032391", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q4I"}, {"end": "2023-03-31", "val": 1065000, "accn": "0001140361-23-032398", "fy": 2023, "fp": "Q1", "form": "10-Q", "filed": "2023-06-30", "frame": "CY2023Q1I"}, {"end": "2023-06-30", "val": 1065000, "accn": "0001140361-23-038586", "fy": 2023, "fp": "Q2", "form": "10-Q", "filed": "2023-08-08", "frame": "CY2023Q2I"}, {"end": "2023-09-30", "val": 1065000, "accn": "0001140361-23-052979", "fy": 2023, "fp": "Q3", "form": "10-Q", "filed": "2023-11-13", "frame": "CY2023Q3I"}, {"end": "2023-12-31", "val": 1065000, "accn": "0001140361-24-016971", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-04-01", "frame": "CY2023Q4I"}, {"end": "2024-03-31", "val": 1083000, "accn": "0001140361-24-025855", "fy": 2024, "fp": "Q1", "form": "10-Q", "filed": "2024-05-14", "frame": "CY2024Q1I"}, {"end": "2024-06-30", "val": 1083000, "accn": "0001140361-24-037251", "fy": 2024, "fp": "Q2", "form": "10-Q", "filed": "2024-08-14", "frame": "CY2024Q2I"}, {"end": "2024-09-30", "val": 1083000, "accn": "0001140361-24-046143", "fy": 2024, "fp": "Q3", "form": "10-Q", "filed": "2024-11-12", "frame": "CY2024Q3I"}, {"end": "2024-12-31", "val": 1207000, "accn": "0001140361-25-010239", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-25", "frame": "CY2024Q4I"}, {"end": "2025-03-31", "val": 1066000, "accn": "0001140361-25-018588", "fy": 2025, "fp": "Q1", "form": "10-Q", "filed": "2025-05-13", "frame": "CY2025Q1I"}, {"end": "2025-06-30", "val": 1066000, "accn": "0001140361-25-030558", "fy": 2025, "fp": "Q2", "form": "10-Q", "filed": "2025-08-12", "frame": "CY2025Q2I"}, {"end": "2025-09-30", "val": 1113000, "accn": "0001140361-25-042275", "fy": 2025, "fp": "Q3", "form": "10-Q", "filed": "2025-11-14", "frame": "CY2025Q3I"}]}}, "LesseeOperatingLeaseLiabilityPaymentsDueYearFive": {"label": "Lessee, Operating Lease, Liability, to be Paid, Year Five", "description": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth 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).", "units": {"USD": [{"end": "2019-03-31", "val": 1048000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13", "frame": "CY2019Q1I"}, {"end": "2019-06-30", "val": 1048000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13", "frame": "CY2019Q2I"}, {"end": "2019-09-30", "val": 1048000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12", "frame": "CY2019Q3I"}, {"end": "2019-12-31", "val": 1065000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2019Q4I"}, {"end": "2020-12-31", "val": 1083000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2020Q4I"}, {"end": "2021-12-31", "val": 942000, "accn": "0001140361-22-011156", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-25", "frame": "CY2021Q4I"}, {"end": "2022-12-31", "val": 0, "accn": "0001140361-23-032391", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q4I"}, {"end": "2024-12-31", "val": 645000, "accn": "0001140361-25-010239", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-25", "frame": "CY2024Q4I"}]}}, "LesseeOperatingLeaseLiabilityPaymentsDueYearFour": {"label": "Lessee, Operating Lease, Liability, to be Paid, Year Four", "description": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth 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).", "units": {"USD": [{"end": "2019-03-31", "val": 1031000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13", "frame": "CY2019Q1I"}, {"end": "2019-06-30", "val": 1031000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13", "frame": "CY2019Q2I"}, {"end": "2019-09-30", "val": 1031000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12", "frame": "CY2019Q3I"}, {"end": "2019-12-31", "val": 1048000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2019Q4I"}, {"end": "2020-03-31", "val": 1065000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11", "frame": "CY2020Q1I"}, {"end": "2020-06-30", "val": 1065000, "accn": "0001140361-20-018114", "fy": 2020, "fp": "Q2", "form": "10-Q", "filed": "2020-08-11", "frame": "CY2020Q2I"}, {"end": "2020-09-30", "val": 1065000, "accn": "0001140361-20-025165", "fy": 2020, "fp": "Q3", "form": "10-Q", "filed": "2020-11-10", "frame": "CY2020Q3I"}, {"end": "2020-12-31", "val": 1065000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2020Q4I"}, {"end": "2021-03-31", "val": 1083000, "accn": "0001140361-21-016787", "fy": 2021, "fp": "Q1", "form": "10-Q", "filed": "2021-05-11", "frame": "CY2021Q1I"}, {"end": "2021-06-30", "val": 1083000, "accn": "0001140361-21-027732", "fy": 2021, "fp": "Q2", "form": "10-Q", "filed": "2021-08-10", "frame": "CY2021Q2I"}, {"end": "2021-09-30", "val": 1083000, "accn": "0001140361-21-037383", "fy": 2021, "fp": "Q3", "form": "10-Q", "filed": "2021-11-10", "frame": "CY2021Q3I"}, {"end": "2021-12-31", "val": 1083000, "accn": "0001140361-22-011156", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-25", "frame": "CY2021Q4I"}, {"end": "2022-03-31", "val": 942000, "accn": "0001140361-22-018619", "fy": 2022, "fp": "Q1", "form": "10-Q", "filed": "2022-05-11", "frame": "CY2022Q1I"}, {"end": "2022-06-30", "val": 942000, "accn": "0001140361-22-029402", "fy": 2022, "fp": "Q2", "form": "10-Q", "filed": "2022-08-12", "frame": "CY2022Q2I"}, {"end": "2022-09-30", "val": 942000, "accn": "0001140361-22-040481", "fy": 2022, "fp": "Q3", "form": "10-Q", "filed": "2022-11-08", "frame": "CY2022Q3I"}, {"end": "2022-12-31", "val": 942000, "accn": "0001140361-23-032391", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q4I"}, {"end": "2023-03-31", "val": 0, "accn": "0001140361-23-032398", "fy": 2023, "fp": "Q1", "form": "10-Q", "filed": "2023-06-30", "frame": "CY2023Q1I"}, {"end": "2024-12-31", "val": 645000, "accn": "0001140361-25-010239", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-25", "frame": "CY2024Q4I"}, {"end": "2025-03-31", "val": 645000, "accn": "0001140361-25-018588", "fy": 2025, "fp": "Q1", "form": "10-Q", "filed": "2025-05-13", "frame": "CY2025Q1I"}, {"end": "2025-06-30", "val": 645000, "accn": "0001140361-25-030558", "fy": 2025, "fp": "Q2", "form": "10-Q", "filed": "2025-08-12", "frame": "CY2025Q2I"}, {"end": "2025-09-30", "val": 645000, "accn": "0001140361-25-042275", "fy": 2025, "fp": "Q3", "form": "10-Q", "filed": "2025-11-14", "frame": "CY2025Q3I"}]}}, "LesseeOperatingLeaseLiabilityPaymentsDueYearThree": {"label": "Lessee, Operating Lease, Liability, to be Paid, Year Three", "description": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third 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).", "units": {"USD": [{"end": "2019-03-31", "val": 1015000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13", "frame": "CY2019Q1I"}, {"end": "2019-06-30", "val": 1015000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13", "frame": "CY2019Q2I"}, {"end": "2019-09-30", "val": 1015000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12", "frame": "CY2019Q3I"}, {"end": "2019-12-31", "val": 1031000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2019Q4I"}, {"end": "2020-03-31", "val": 1048000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11", "frame": "CY2020Q1I"}, {"end": "2020-06-30", "val": 1048000, "accn": "0001140361-20-018114", "fy": 2020, "fp": "Q2", "form": "10-Q", "filed": "2020-08-11", "frame": "CY2020Q2I"}, {"end": "2020-09-30", "val": 1048000, "accn": "0001140361-20-025165", "fy": 2020, "fp": "Q3", "form": "10-Q", "filed": "2020-11-10", "frame": "CY2020Q3I"}, {"end": "2020-12-31", "val": 1048000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2020Q4I"}, {"end": "2021-03-31", "val": 1065000, "accn": "0001140361-21-016787", "fy": 2021, "fp": "Q1", "form": "10-Q", "filed": "2021-05-11", "frame": "CY2021Q1I"}, {"end": "2021-06-30", "val": 1065000, "accn": "0001140361-21-027732", "fy": 2021, "fp": "Q2", "form": "10-Q", "filed": "2021-08-10", "frame": "CY2021Q2I"}, {"end": "2021-09-30", "val": 1065000, "accn": "0001140361-21-037383", "fy": 2021, "fp": "Q3", "form": "10-Q", "filed": "2021-11-10", "frame": "CY2021Q3I"}, {"end": "2021-12-31", "val": 1065000, "accn": "0001140361-22-011156", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-25", "frame": "CY2021Q4I"}, {"end": "2022-03-31", "val": 1083000, "accn": "0001140361-22-018619", "fy": 2022, "fp": "Q1", "form": "10-Q", "filed": "2022-05-11", "frame": "CY2022Q1I"}, {"end": "2022-06-30", "val": 1083000, "accn": "0001140361-22-029402", "fy": 2022, "fp": "Q2", "form": "10-Q", "filed": "2022-08-12", "frame": "CY2022Q2I"}, {"end": "2022-09-30", "val": 1083000, "accn": "0001140361-22-040481", "fy": 2022, "fp": "Q3", "form": "10-Q", "filed": "2022-11-08", "frame": "CY2022Q3I"}, {"end": "2022-12-31", "val": 1083000, "accn": "0001140361-23-032391", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q4I"}, {"end": "2023-03-31", "val": 942000, "accn": "0001140361-23-032398", "fy": 2023, "fp": "Q1", "form": "10-Q", "filed": "2023-06-30", "frame": "CY2023Q1I"}, {"end": "2023-06-30", "val": 942000, "accn": "0001140361-23-038586", "fy": 2023, "fp": "Q2", "form": "10-Q", "filed": "2023-08-08", "frame": "CY2023Q2I"}, {"end": "2023-09-30", "val": 942000, "accn": "0001140361-23-052979", "fy": 2023, "fp": "Q3", "form": "10-Q", "filed": "2023-11-13", "frame": "CY2023Q3I"}, {"end": "2023-12-31", "val": 942000, "accn": "0001140361-24-016971", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-04-01", "frame": "CY2023Q4I"}, {"end": "2024-12-31", "val": 645000, "accn": "0001140361-25-010239", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-25", "frame": "CY2024Q4I"}, {"end": "2025-03-31", "val": 645000, "accn": "0001140361-25-018588", "fy": 2025, "fp": "Q1", "form": "10-Q", "filed": "2025-05-13", "frame": "CY2025Q1I"}, {"end": "2025-06-30", "val": 645000, "accn": "0001140361-25-030558", "fy": 2025, "fp": "Q2", "form": "10-Q", "filed": "2025-08-12", "frame": "CY2025Q2I"}, {"end": "2025-09-30", "val": 673000, "accn": "0001140361-25-042275", "fy": 2025, "fp": "Q3", "form": "10-Q", "filed": "2025-11-14", "frame": "CY2025Q3I"}]}}, "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": {"label": "Lessee, Operating Lease, Liability, to be Paid, Year Two", "description": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second 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).", "units": {"USD": [{"end": "2019-03-31", "val": 978000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13", "frame": "CY2019Q1I"}, {"end": "2019-06-30", "val": 978000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13", "frame": "CY2019Q2I"}, {"end": "2019-09-30", "val": 978000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12", "frame": "CY2019Q3I"}, {"end": "2019-12-31", "val": 1015000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2019Q4I"}, {"end": "2020-03-31", "val": 1031000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11", "frame": "CY2020Q1I"}, {"end": "2020-06-30", "val": 1031000, "accn": 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"10-Q", "filed": "2025-11-14"}]}}, "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears": {"label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years (Deprecated 2014-01-31)", "description": "Amount of payments made in the reporting period to settle claims incurred in prior periods and related claims settlement costs.", "units": {"USD": [{"start": "2011-01-01", "end": "2011-12-31", "val": 16301000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27", "frame": "CY2011"}, {"start": "2012-01-01", "end": "2012-12-31", "val": 21325000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26", "frame": "CY2012"}, {"start": "2012-01-01", "end": "2012-12-31", "val": 21325000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27"}, {"start": "2013-01-01", "end": "2013-12-31", "val": 24968000, "accn": "0001140361-14-014200", 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This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims.", "units": {"USD": [{"end": "2010-12-31", "val": 39735000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27", "frame": "CY2010Q4I"}, {"end": "2011-12-31", "val": 42302000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27"}, {"end": "2011-12-31", "val": 42302000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26", "frame": "CY2011Q4I"}, {"end": "2012-12-31", "val": 44130000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27"}, {"end": "2012-12-31", "val": 44130000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26"}, {"end": "2012-12-31", "val": 44130000, "accn": "0001567619-15-000337", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-27", "frame": 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Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.", "units": {"USD": [{"start": "2010-01-01", "end": "2010-06-30", "val": 5133000, "accn": "0001140361-11-041403", "fy": 2011, "fp": "Q2", "form": "10-Q", "filed": "2011-08-12"}, {"start": "2010-04-01", "end": "2010-06-30", "val": 2576000, "accn": "0001140361-11-041403", "fy": 2011, "fp": "Q2", "form": "10-Q", "filed": "2011-08-12", "frame": "CY2010Q2"}, {"start": "2010-01-01", "end": "2010-09-30", "val": 7435000, "accn": "0001140361-11-053056", "fy": 2011, "fp": "Q3", "form": "10-Q", "filed": "2011-11-14"}, {"start": "2010-07-01", "end": "2010-09-30", "val": 2302000, "accn": "0001140361-11-053056", "fy": 2011, "fp": "Q3", "form": "10-Q", "filed": "2011-11-14", "frame": "CY2010Q3"}, {"start": "2010-01-01", "end": "2010-12-31", "val": 9737000, "accn": "0001140361-12-017382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-26", "frame": "CY2010"}, {"start": "2011-01-01", "end": "2011-03-31", "val": 2569000, "accn": 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"accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01", "frame": "CY2017"}, {"start": "2018-01-01", "end": "2018-12-31", "val": -3931000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01"}, {"start": "2018-01-01", "end": "2018-12-31", "val": -3931000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2018"}, {"start": "2019-01-01", "end": "2019-12-31", "val": -7492000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24"}, {"start": "2019-01-01", "end": "2019-12-31", "val": -7492000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2019"}, {"start": "2020-01-01", "end": "2020-12-31", "val": 11514000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23"}, {"start": "2020-01-01", "end": "2020-12-31", "val": 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{"start": "2025-01-01", "end": "2025-09-30", "val": 890000, "accn": "0001140361-25-042275", "fy": 2025, "fp": "Q3", "form": "10-Q", "filed": "2025-11-14"}]}}, "OperatingLeaseLiability": {"label": "Operating Lease, Liability", "description": "Present value of lessee's discounted obligation for lease payments from operating lease.", "units": {"USD": [{"end": "2019-03-31", "val": 5958000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13", "frame": "CY2019Q1I"}, {"end": "2019-06-30", "val": 5843000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13", "frame": "CY2019Q2I"}, {"end": "2019-09-30", "val": 5760000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12", "frame": "CY2019Q3I"}, {"end": "2019-12-31", "val": 5675000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2019Q4I"}, {"end": "2020-03-31", 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"2025-03-31", "val": 5054000, "accn": "0001140361-25-018588", "fy": 2025, "fp": "Q1", "form": "10-Q", "filed": "2025-05-13", "frame": "CY2025Q1I"}, {"end": "2025-06-30", "val": 4880000, "accn": "0001140361-25-030558", "fy": 2025, "fp": "Q2", "form": "10-Q", "filed": "2025-08-12", "frame": "CY2025Q2I"}, {"end": "2025-09-30", "val": 4823000, "accn": "0001140361-25-042275", "fy": 2025, "fp": "Q3", "form": "10-Q", "filed": "2025-11-14", "frame": "CY2025Q3I"}]}}, "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": "2012-12-31", "val": 3246000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27", "frame": "CY2012Q4I"}, {"end": "2013-12-31", "val": 2842000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26", "frame": "CY2013Q4I"}, {"end": "2014-12-31", "val": 2427000, "accn": "0001567619-15-000337", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-27", "frame": "CY2014Q4I"}, {"end": "2015-12-31", "val": 2003000, "accn": "0001567619-16-002103", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-29", "frame": "CY2015Q4I"}, {"end": "2016-12-31", "val": 1567000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24", "frame": "CY2016Q4I"}, {"end": "2017-12-31", "val": 5736000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26", "frame": "CY2017Q4I"}, {"end": "2018-12-31", "val": 5105000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01", "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. 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Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "units": {"USD": [{"end": "2012-12-31", "val": 435000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27", "frame": "CY2012Q4I"}, {"end": "2013-12-31", "val": 446000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26", "frame": "CY2013Q4I"}, {"end": "2014-12-31", "val": 457000, "accn": "0001567619-15-000337", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-27", "frame": "CY2014Q4I"}, {"end": "2015-12-31", "val": 193000, "accn": "0001567619-16-002103", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-29", "frame": "CY2015Q4I"}]}}, "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. 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"CY2012"}, {"start": "2013-01-01", "end": "2013-12-31", "val": 1215000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26"}, {"start": "2013-01-01", "end": "2013-12-31", "val": 1215000, "accn": "0001567619-15-000337", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-27", "frame": "CY2013"}, {"start": "2014-01-01", "end": "2014-12-31", "val": 1229000, "accn": "0001567619-15-000337", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-27"}, {"start": "2014-01-01", "end": "2014-12-31", "val": 1229000, "accn": "0001567619-16-002103", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-29", "frame": "CY2014"}, {"start": "2015-01-01", "end": "2015-12-31", "val": 1261000, "accn": "0001567619-16-002103", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-29"}, {"start": "2015-01-01", "end": "2015-12-31", "val": 1261000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24", "frame": "CY2015"}, {"start": "2016-01-01", "end": "2016-12-31", "val": 1277000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24"}, {"start": "2016-01-01", "end": "2016-12-31", "val": 1277000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26", "frame": "CY2016"}, {"start": "2017-01-01", "end": "2017-12-31", "val": 1306000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26"}, {"start": "2017-01-01", "end": "2017-12-31", "val": 1306000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01", "frame": "CY2017"}, {"start": "2018-01-01", "end": "2018-12-31", "val": 1233000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01", "frame": "CY2018"}]}}, "OperatingLeaseWeightedAverageDiscountRatePercent": {"label": "Operating Lease, Weighted Average Discount Rate, Percent", "description": 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"accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24"}, {"end": "2019-12-31", "val": 0.068, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2019Q4I"}, {"end": "2020-03-31", "val": 0.068, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11"}, {"end": "2020-03-31", "val": 0.068, "accn": "0001140361-21-016787", "fy": 2021, "fp": "Q1", "form": "10-Q", "filed": "2021-05-11", "frame": "CY2020Q1I"}, {"end": "2020-06-30", "val": 0.068, "accn": "0001140361-20-018114", "fy": 2020, "fp": "Q2", "form": "10-Q", "filed": "2020-08-11"}, {"end": "2020-06-30", "val": 0.068, "accn": "0001140361-21-027732", "fy": 2021, "fp": "Q2", "form": "10-Q", "filed": "2021-08-10", "frame": "CY2020Q2I"}, {"end": "2020-09-30", "val": 0.068, "accn": "0001140361-20-025165", "fy": 2020, "fp": "Q3", "form": "10-Q", "filed": "2020-11-10"}, {"end": "2020-09-30", "val": 0.068, "accn": 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"2016-01-01", "end": "2016-06-30", "val": 29000, "accn": "0001140361-16-076029", "fy": 2016, "fp": "Q2", "form": "10-Q", "filed": "2016-08-12"}, {"start": "2016-01-01", "end": "2016-06-30", "val": 29000, "accn": "0001140361-17-031954", "fy": 2017, "fp": "Q2", "form": "10-Q", "filed": "2017-08-14"}, {"start": "2016-01-01", "end": "2016-09-30", "val": 43000, "accn": "0001140361-16-086100", "fy": 2016, "fp": "Q3", "form": "10-Q", "filed": "2016-11-14"}, {"start": "2016-01-01", "end": "2016-09-30", "val": 43000, "accn": "0001140361-17-042680", "fy": 2017, "fp": "Q3", "form": "10-Q", "filed": "2017-11-14"}, {"start": "2016-01-01", "end": "2016-12-31", "val": 51000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24"}, {"start": "2016-01-01", "end": "2016-12-31", "val": 51000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26", "frame": "CY2016"}, {"start": "2017-01-01", "end": "2017-03-31", "val": 8000, "accn": "0001140361-17-019978", "fy": 2017, "fp": "Q1", "form": "10-Q", "filed": "2017-05-12"}, {"start": "2017-01-01", "end": "2017-03-31", "val": 8000, "accn": "0001140361-18-022936", "fy": 2018, "fp": "Q1", "form": "10-Q", "filed": "2018-05-11", "frame": "CY2017Q1"}, {"start": "2017-01-01", "end": "2017-06-30", "val": 15000, "accn": "0001140361-17-031954", "fy": 2017, "fp": "Q2", "form": "10-Q", "filed": "2017-08-14"}, {"start": "2017-01-01", "end": "2017-06-30", "val": 15000, "accn": "0001140361-18-036314", "fy": 2018, "fp": "Q2", "form": "10-Q", "filed": "2018-08-14"}, {"start": "2017-01-01", "end": "2017-09-30", "val": 23000, "accn": "0001140361-17-042680", "fy": 2017, "fp": "Q3", "form": "10-Q", "filed": "2017-11-14"}, {"start": "2017-01-01", "end": "2017-09-30", "val": 23000, "accn": "0001140361-18-042963", "fy": 2018, "fp": "Q3", "form": "10-Q", "filed": "2018-11-13"}, {"start": "2017-01-01", "end": "2017-12-31", "val": 32000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26"}, {"start": "2017-01-01", "end": "2017-12-31", "val": 32000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01", "frame": "CY2017"}, {"start": "2018-01-01", "end": "2018-03-31", "val": 7000, "accn": "0001140361-18-022936", "fy": 2018, "fp": "Q1", "form": "10-Q", "filed": "2018-05-11"}, {"start": "2018-01-01", "end": "2018-03-31", "val": 7000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13", "frame": "CY2018Q1"}, {"start": "2018-01-01", "end": "2018-06-30", "val": 19000, "accn": "0001140361-18-036314", "fy": 2018, "fp": "Q2", "form": "10-Q", "filed": "2018-08-14"}, {"start": "2018-01-01", "end": "2018-06-30", "val": 19000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13"}, {"start": "2018-01-01", "end": "2018-09-30", "val": 28000, "accn": "0001140361-18-042963", "fy": 2018, "fp": "Q3", "form": "10-Q", "filed": "2018-11-13"}, {"start": "2018-01-01", "end": "2018-09-30", "val": 28000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12"}, {"start": "2018-01-01", "end": "2018-12-31", "val": 36000, "accn": "0001140361-19-006219", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-01"}, {"start": "2018-01-01", "end": "2018-12-31", "val": 36000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24", "frame": "CY2018"}, {"start": "2019-01-01", "end": "2019-03-31", "val": 7000, "accn": "0001140361-19-008998", "fy": 2019, "fp": "Q1", "form": "10-Q", "filed": "2019-05-13"}, {"start": "2019-01-01", "end": "2019-03-31", "val": 7000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11", "frame": "CY2019Q1"}, {"start": "2019-01-01", "end": "2019-06-30", "val": 15000, "accn": "0001140361-19-014926", "fy": 2019, "fp": "Q2", "form": "10-Q", "filed": "2019-08-13"}, {"start": "2019-01-01", "end": "2019-06-30", "val": 15000, "accn": "0001140361-20-018114", "fy": 2020, "fp": "Q2", "form": "10-Q", "filed": "2020-08-11"}, {"start": "2019-01-01", "end": "2019-09-30", "val": 23000, "accn": "0001140361-19-020352", "fy": 2019, "fp": "Q3", "form": "10-Q", "filed": "2019-11-12"}, {"start": "2019-01-01", "end": "2019-09-30", "val": 23000, "accn": "0001140361-20-025165", "fy": 2020, "fp": "Q3", "form": "10-Q", "filed": "2020-11-10"}, {"start": "2019-01-01", "end": "2019-12-31", "val": 26000, "accn": "0001140361-20-006734", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-24"}, {"start": "2019-01-01", "end": "2019-12-31", "val": 26000, "accn": "0001140361-21-009603", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-23", "frame": "CY2019"}, {"start": "2020-01-01", "end": "2020-03-31", "val": 3000, "accn": "0001140361-20-011243", "fy": 2020, "fp": "Q1", "form": "10-Q", "filed": "2020-05-11"}, {"start": "2020-01-01", "end": "2020-03-31", "val": 3000, 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"form": "10-K", "filed": "2022-03-25", "frame": "CY2020"}, {"start": "2021-01-01", "end": "2021-03-31", "val": 2000, "accn": "0001140361-21-016787", "fy": 2021, "fp": "Q1", "form": "10-Q", "filed": "2021-05-11"}, {"start": "2021-01-01", "end": "2021-03-31", "val": 2000, "accn": "0001140361-22-018619", "fy": 2022, "fp": "Q1", "form": "10-Q", "filed": "2022-05-11", "frame": "CY2021Q1"}, {"start": "2021-01-01", "end": "2021-06-30", "val": 4000, "accn": "0001140361-21-027732", "fy": 2021, "fp": "Q2", "form": "10-Q", "filed": "2021-08-10"}, {"start": "2021-01-01", "end": "2021-06-30", "val": 4000, "accn": "0001140361-22-029402", "fy": 2022, "fp": "Q2", "form": "10-Q", "filed": "2022-08-12"}, {"start": "2021-01-01", "end": "2021-09-30", "val": 6000, "accn": "0001140361-21-037383", "fy": 2021, "fp": "Q3", "form": "10-Q", "filed": "2021-11-10"}, {"start": "2021-01-01", "end": "2021-09-30", "val": 6000, "accn": "0001140361-22-040481", "fy": 2022, "fp": "Q3", "form": "10-Q", "filed": 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"RealEstateInvestments": {"label": "Real Estate Investments, Net", "description": "Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.", "units": {"USD": [{"end": "2011-12-31", "val": 38000, "accn": "0001140361-12-036199", "fy": 2012, "fp": "Q2", "form": "10-Q", "filed": "2012-08-10"}, {"end": "2011-12-31", "val": 38000, "accn": "0001140361-12-046376", "fy": 2012, "fp": "Q3", "form": "10-Q", "filed": "2012-11-09", "frame": "CY2011Q4I"}, {"end": "2012-06-30", "val": 38000, "accn": "0001140361-12-036199", "fy": 2012, "fp": "Q2", "form": "10-Q", "filed": "2012-08-10", "frame": "CY2012Q2I"}, {"end": 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"fy": 2016, "fp": "Q2", "form": "10-Q", "filed": "2016-08-12"}, {"end": "2015-12-31", "val": 38000, "accn": "0001140361-16-086100", "fy": 2016, "fp": "Q3", "form": "10-Q", "filed": "2016-11-14"}, {"end": "2015-12-31", "val": 38000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24", "frame": "CY2015Q4I"}, {"end": "2016-03-31", "val": 38000, "accn": "0001140361-16-064724", "fy": 2016, "fp": "Q1", "form": "10-Q", "filed": "2016-05-12", "frame": "CY2016Q1I"}, {"end": "2016-06-30", "val": 38000, "accn": "0001140361-16-076029", "fy": 2016, "fp": "Q2", "form": "10-Q", "filed": "2016-08-12", "frame": "CY2016Q2I"}, {"end": "2016-09-30", "val": 38000, "accn": "0001140361-16-086100", "fy": 2016, "fp": "Q3", "form": "10-Q", "filed": "2016-11-14", "frame": "CY2016Q3I"}, {"end": "2016-12-31", "val": 38000, "accn": "0001567619-17-000512", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-24"}, {"end": "2016-12-31", "val": 38000, "accn": 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"ReinsurancePremiumsForInsuranceCompaniesByProductSegmentNetAmount": {"label": "Reinsurance Premiums for Insurance Companies, by Product Segment, Net Amount (Deprecated 2013-01-31)", "description": "Net amount of gross premiums, less premiums ceded to other companies, plus premiums assumed from other companies; which represents the net amount of premium revenue on the income statement.", "units": {"USD": [{"start": "2011-01-01", "end": "2011-12-31", "val": 107471000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27", "frame": "CY2011"}, {"start": "2012-01-01", "end": "2012-12-31", "val": 126743000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26", "frame": "CY2012"}, {"start": "2012-01-01", "end": "2012-12-31", "val": 126743000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27"}, {"start": "2013-01-01", "end": "2013-12-31", "val": 145630000, "accn": 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Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.", "units": {"USD": [{"end": "2010-12-31", "val": 14301000, "accn": "0001140361-11-041403", "fy": 2011, "fp": "Q2", "form": "10-Q", "filed": "2011-08-12"}, {"end": "2010-12-31", "val": 14301000, "accn": "0001140361-11-053056", "fy": 2011, "fp": "Q3", "form": "10-Q", "filed": "2011-11-14"}, {"end": "2010-12-31", "val": 14301000, "accn": "0001140361-12-017382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-26", "frame": "CY2010Q4I"}, {"end": "2011-06-30", "val": 14277000, "accn": "0001140361-11-041403", "fy": 2011, "fp": "Q2", "form": "10-Q", "filed": "2011-08-12", "frame": "CY2011Q2I"}, {"end": "2011-09-30", "val": 15016000, "accn": "0001140361-11-053056", "fy": 2011, "fp": "Q3", "form": "10-Q", "filed": "2011-11-14", "frame": "CY2011Q3I"}, {"end": "2011-12-31", "val": 15673000, "accn": "0001140361-12-017382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-26"}, {"end": "2011-12-31", "val": 15673000, "accn": "0001140361-12-024706", "fy": 2012, "fp": "Q1", "form": "10-Q", "filed": "2012-05-11"}, {"end": "2011-12-31", "val": 15673000, "accn": "0001140361-12-036199", "fy": 2012, "fp": "Q2", "form": "10-Q", "filed": "2012-08-10"}, {"end": "2011-12-31", "val": 15673000, "accn": "0001140361-12-046376", "fy": 2012, "fp": "Q3", "form": "10-Q", "filed": "2012-11-09"}, {"end": "2011-12-31", "val": 15673000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27", "frame": "CY2011Q4I"}, {"end": "2012-03-31", "val": 17248000, "accn": "0001140361-12-024706", "fy": 2012, "fp": "Q1", "form": "10-Q", "filed": "2012-05-11", "frame": "CY2012Q1I"}, {"end": "2012-06-30", "val": 14975000, "accn": "0001140361-12-036199", "fy": 2012, "fp": "Q2", "form": "10-Q", "filed": "2012-08-10", "frame": "CY2012Q2I"}, {"end": "2012-09-30", "val": 16965000, "accn": "0001140361-12-046376", "fy": 2012, "fp": "Q3", "form": "10-Q", "filed": "2012-11-09", "frame": "CY2012Q3I"}, {"end": "2012-12-31", "val": 18768000, "accn": "0001140361-13-014090", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-27"}, {"end": "2012-12-31", "val": 18768000, "accn": "0001140361-13-020475", "fy": 2013, "fp": "Q1", "form": "10-Q", "filed": "2013-05-14"}, {"end": "2012-12-31", "val": 18768000, "accn": "0001140361-13-031895", "fy": 2013, "fp": "Q2", "form": "10-Q", "filed": "2013-08-13"}, {"end": "2012-12-31", "val": 18768000, "accn": "0001140361-13-041972", "fy": 2013, "fp": "Q3", "form": "10-Q", "filed": "2013-11-13"}, {"end": "2012-12-31", "val": 18768000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26", "frame": "CY2012Q4I"}, {"end": "2013-03-31", "val": 16666000, "accn": "0001140361-13-020475", "fy": 2013, "fp": "Q1", "form": "10-Q", "filed": "2013-05-14", "frame": "CY2013Q1I"}, {"end": "2013-06-30", "val": 17934000, "accn": "0001140361-13-031895", "fy": 2013, "fp": "Q2", "form": "10-Q", "filed": "2013-08-13", "frame": "CY2013Q2I"}, {"end": "2013-09-30", "val": 16621000, "accn": "0001140361-13-041972", "fy": 2013, "fp": "Q3", "form": "10-Q", "filed": "2013-11-13", "frame": "CY2013Q3I"}, {"end": "2013-12-31", "val": 14314000, "accn": "0001140361-14-014200", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-26"}, {"end": "2013-12-31", "val": 14314000, "accn": "0001140361-14-020344", "fy": 2014, "fp": "Q1", "form": "10-Q", "filed": "2014-05-13"}, {"end": "2013-12-31", "val": 14314000, "accn": "0001140361-14-031839", "fy": 2014, "fp": "Q2", "form": "10-Q", "filed": "2014-08-12"}, {"end": "2013-12-31", "val": 14314000, "accn": "0001140361-14-041125", "fy": 2014, "fp": "Q3", "form": "10-Q", "filed": "2014-11-12", "frame": "CY2013Q4I"}, {"end": "2014-03-31", "val": 14551000, "accn": "0001140361-14-020344", "fy": 2014, "fp": "Q1", "form": "10-Q", "filed": "2014-05-13", "frame": "CY2014Q1I"}, {"end": "2014-06-30", "val": 16184000, "accn": "0001140361-14-031839", "fy": 2014, "fp": "Q2", "form": "10-Q", "filed": "2014-08-12", "frame": "CY2014Q2I"}, {"end": "2014-09-30", "val": 15588000, "accn": "0001140361-14-041125", "fy": 2014, "fp": "Q3", "form": "10-Q", "filed": "2014-11-12", "frame": "CY2014Q3I"}]}}, "ReinsuranceRecoverablesOnPaidAndUnpaidLosses": {"label": "Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments", "description": "Amount, after valuation allowance, recoverable under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, policy benefits and policy reserves. 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"2016-12-31", "val": 11703000, "accn": "0001140361-17-042680", "fy": 2017, "fp": "Q3", "form": "10-Q", "filed": "2017-11-14"}, {"end": "2016-12-31", "val": 11703000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26", "frame": "CY2016Q4I"}, {"end": "2017-03-31", "val": 12299000, "accn": "0001140361-17-019978", "fy": 2017, "fp": "Q1", "form": "10-Q", "filed": "2017-05-12", "frame": "CY2017Q1I"}, {"end": "2017-06-30", "val": 15305000, "accn": "0001140361-17-031954", "fy": 2017, "fp": "Q2", "form": "10-Q", "filed": "2017-08-14", "frame": "CY2017Q2I"}, {"end": "2017-09-30", "val": 16871000, "accn": "0001140361-17-042680", "fy": 2017, "fp": "Q3", "form": "10-Q", "filed": "2017-11-14", "frame": "CY2017Q3I"}, {"end": "2017-12-31", "val": 17613000, "accn": "0001140361-18-015001", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-26"}, {"end": "2017-12-31", "val": 17613000, "accn": "0001140361-18-022936", "fy": 2018, "fp": "Q1", "form": "10-Q", 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