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lessees.","units":{"USD":[{"end":"2009-12-31","val":19525000,"accn":"0001047469-11-001364","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-25"},{"end":"2009-12-31","val":19525000,"accn":"0001047469-11-007454","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-08-16","frame":"CY2009Q4I"},{"end":"2010-12-31","val":29276000,"accn":"0001047469-11-001364","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-25"},{"end":"2010-12-31","val":29276000,"accn":"0001047469-11-007454","fy":2010,"fp":"FY","form":"10-K/A","filed":"2011-08-16"},{"end":"2010-12-31","val":-29276000,"accn":"0001047469-12-001276","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-22","frame":"CY2010Q4I"},{"end":"2011-03-31","val":-27467000,"accn":"0001104659-11-026763","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-06","frame":"CY2011Q1I"},{"end":"2011-06-30","val":-33467000,"accn":"0001104659-11-043622","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-04","frame":"CY2011Q2I"},{"end":"2011-09-30","val":-29249000,"accn":"0001104659-11-060507","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-03","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-43681000,"accn":"0001047469-12-001276","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-22"},{"end":"2011-12-31","val":43681000,"accn":"0001047469-13-001692","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-26","frame":"CY2011Q4I"},{"end":"2012-03-31","val":42911000,"accn":"0001104659-12-032515","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-03","frame":"CY2012Q1I"},{"end":"2012-06-30","val":56480000,"accn":"0001104659-12-053658","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-02","frame":"CY2012Q2I"},{"end":"2012-09-30","val":52579000,"accn":"0001104659-12-073591","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-02","frame":"CY2012Q3I"},{"end":"2012-12-31","val":51147000,"accn":"0001047469-13-001692","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-26"},{"end":"2012-12-31","val":51147000,"accn":"0001047469-14-001366","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-03-31","val":40133000,"accn":"0001104659-13-038109","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07","frame":"CY2013Q1I"},{"end":"2013-06-30","val":48156000,"accn":"0001104659-13-060918","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-07","frame":"CY2013Q2I"},{"end":"2013-09-30","val":49435000,"accn":"0001104659-13-081612","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":27058000,"accn":"0001047469-14-001366","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26"},{"end":"2013-12-31","val":27058000,"accn":"0001558370-15-000150","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-25"},{"end":"2013-12-31","val":27058000,"accn":"0001558370-15-000290","fy":2014,"fp":"FY","form":"10-K/A","filed":"2015-03-09","frame":"CY2013Q4I"},{"end":"2014-03-31","val":16719000,"accn":"0001558370-14-000019","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-07","frame":"CY2014Q1I"},{"end":"2014-06-30","val":15176000,"accn":"0001558370-14-000103","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":16387000,"accn":"0001558370-14-000307","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05","frame":"CY2014Q3I"},{"end":"2014-12-31","val":13216000,"accn":"0001558370-15-000150","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-25"},{"end":"2014-12-31","val":13216000,"accn":"0001558370-15-000290","fy":2014,"fp":"FY","form":"10-K/A","filed":"2015-03-09"},{"end":"2014-12-31","val":13216000,"accn":"0001558370-16-003392","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-23","frame":"CY2014Q4I"},{"end":"2015-03-31","val":13897000,"accn":"0001558370-15-000719","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-05","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-9963000,"accn":"0001558370-15-001399","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-9756000,"accn":"0001558370-15-002220","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-04","frame":"CY2015Q3I"},{"end":"2015-12-31","val":10248000,"accn":"0001558370-16-003392","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-23"},{"end":"2015-12-31","val":10248000,"accn":"0001558370-17-000965","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24"},{"end":"2015-12-31","val":10248000,"accn":"0001104659-17-031558","fy":2016,"fp":"FY","form":"10-K/A","filed":"2017-05-10","frame":"CY2015Q4I"},{"end":"2016-03-31","val":10248000,"accn":"0001558370-16-005375","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-05","frame":"CY2016Q1I"},{"end":"2016-06-30","val":9033000,"accn":"0001558370-16-007339","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-04","frame":"CY2016Q2I"},{"end":"2016-09-30","val":9033000,"accn":"0001558370-16-009179","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-03","frame":"CY2016Q3I"},{"end":"2016-12-31","val":13753000,"accn":"0001558370-17-000965","fy":2016,"fp":"FY","form":"10-K","filed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of the carrying amounts as of the balance sheet date of all assets that are recognized. 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fp":"Q1","form":"10-Q","filed":"2018-05-08","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-133281000,"accn":"0001558370-17-006379","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-09"},{"start":"2017-01-01","end":"2017-06-30","val":-133281000,"accn":"0001168054-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-07"},{"start":"2017-01-01","end":"2017-09-30","val":-230068000,"accn":"0001168054-17-000005","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-08"},{"start":"2017-01-01","end":"2017-09-30","val":-230068000,"accn":"0001168054-18-000030","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-06"},{"start":"2017-01-01","end":"2017-12-31","val":-252342000,"accn":"0001168054-18-000004","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-23"},{"start":"2017-01-01","end":"2017-12-31","val":-252342000,"accn":"0001168054-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-20","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":63276000,"accn":"0001168054-18-000010","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-08"},{"start":"2018-01-01","end":"2018-03-31","val":63276000,"accn":"0001168054-19-000011","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":10289000,"accn":"0001168054-18-000021","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-07"},{"start":"2018-01-01","end":"2018-09-30","val":463412000,"accn":"0001168054-18-000030","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-06"},{"start":"2018-01-01","end":"2018-12-31","val":400132000,"accn":"0001168054-19-000006","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-20","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-779736000,"accn":"0001168054-19-000011","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Cash, 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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 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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 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Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting 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Amount excludes temporary equity. Alternate caption for the concept is permanent 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Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2018-12-31","val":0,"accn":"0001168054-19-000011","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0,"accn":"0001168054-19-000017","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-05"},{"end":"2018-12-31","val":0,"accn":"0001168054-19-000022","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05"},{"end":"2018-12-31","val":0,"accn":"0001168054-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-26","frame":"CY2018Q4I"},{"end":"2019-03-31","val":62500,"accn":"0001168054-19-000011","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":62500,"accn":"0001168054-19-000017","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-05","frame":"CY2019Q2I"},{"end":"2019-09-30","val":62500,"accn":"0001168054-19-000022","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-05","frame":"CY2019Q3I"},{"end":"2019-12-31","val":62500,"accn":"0001168054-20-000004","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-26"},{"end":"2019-12-31","val":62500,"accn":"0001168054-20-000010","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-11"},{"end":"2019-12-31","val":62500,"accn":"0001168054-20-000016","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"end":"2019-12-31","val":62500,"accn":"0001168054-20-000023","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"end":"2019-12-31","val":28165,"accn":"0001168054-21-000008","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-23","frame":"CY2019Q4I"},{"end":"2020-03-31","val":62500,"accn":"0001168054-20-000010","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-11","frame":"CY2020Q1I"},{"end":"2020-06-30","val":62500,"accn":"0001168054-20-000016","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07","frame":"CY2020Q2I"},{"end":"2020-09-30","val":62500,"accn":"0001168054-20-000023","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04","frame":"CY2020Q3I"},{"end":"2020-12-31","val":28165,"accn":"0001168054-21-000008","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-23"},{"end":"2020-12-31","val":28165,"accn":"0001168054-21-000018","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06"},{"end":"2020-12-31","val":28165,"accn":"0001168054-21-000025","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-06","frame":"CY2020Q4I"},{"end":"2021-03-31","val":28165,"accn":"0001168054-21-000018","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-06","frame":"CY2021Q1I"},{"end":"2021-06-30","val":28165,"accn":"0001168054-21-000025","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-06","frame":"CY2021Q2I"}]}},"TemporaryEquitySharesIssued":{"label":"Temporary Equity, Shares Issued","description":"The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. 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If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. 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This stock has no voting rights and receives no dividends.","units":{"shares":[{"end":"2008-12-31","val":885392,"accn":"0001104659-09-062141","fy":2009,"fp":"Q3","form":"10-Q","filed":"2009-11-03"},{"end":"2008-12-31","val":885392,"accn":"0001104659-09-048135","fy":2009,"fp":"Q2","form":"10-Q","filed":"2009-08-07"},{"end":"2008-12-31","val":885392,"accn":"0001047469-10-007888","fy":2009,"fp":"FY","form":"10-K/A","filed":"2010-09-03","frame":"CY2008Q4I"},{"end":"2008-12-31","val":885392,"accn":"0001047469-10-001512","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-26"},{"end":"2009-06-30","val":0,"accn":"0001104659-09-048135","fy":2009,"fp":"Q2","form":"10-Q","filed":"2009-08-07","frame":"CY2009Q2I"},{"end":"2009-09-30","val":0,"accn":"0001104659-09-062141","fy":2009,"fp":"Q3","form":"10-Q","filed":"2009-11-03","frame":"CY2009Q3I"},{"end":"2009-12-31","val":0,"accn":"0001047469-10-007888","fy":2009,"fp":"FY","form":"10-K/A","filed":"2010-09-03","frame":"CY2009Q4I"},{"end":"2009-12-31","val":0,"accn":"0001047469-10-001512","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-26"}]}},"TreasuryStockValue":{"label":"Treasury Stock, Value","description":"The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.","units":{"USD":[{"end":"2008-12-31","val":33344000,"accn":"0001104659-09-062141","fy":2009,"fp":"Q3","form":"10-Q","filed":"2009-11-03"},{"end":"2008-12-31","val":33344000,"accn":"0001104659-09-048135","fy":2009,"fp":"Q2","form":"10-Q","filed":"2009-08-07"},{"end":"2008-12-31","val":33344000,"accn":"0001047469-10-007888","fy":2009,"fp":"FY","form":"10-K/A","filed":"2010-09-03","frame":"CY2008Q4I"},{"end":"2008-12-31","val":33344000,"accn":"0001047469-10-001512","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-26"}]}},"TreasuryStockValueAcquiredCostMethod":{"label":"Treasury Stock, Value, Acquired, Cost Method","description":"Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.","units":{"USD":[{"start":"2007-01-01","end":"2007-12-31","val":42266000,"accn":"0001047469-10-007888","fy":2009,"fp":"FY","form":"10-K/A","filed":"2010-09-03","frame":"CY2007"},{"start":"2007-01-01","end":"2007-12-31","val":42266000,"accn":"0001047469-10-001512","fy":2009,"fp":"FY","form":"10-K","filed":"2010-02-26"}]}},"UnamortizedDebtIssuanceExpense":{"label":"Unamortized Debt Issuance Expense","description":"The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. 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