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Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-12-31","val":352000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22","frame":"CY2011Q4I"},{"end":"2012-12-31","val":523000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22"},{"end":"2012-12-31","val":523000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":534000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":534000,"accn":"0001571049-15-002270","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-24","frame":"CY2013Q4I"},{"end":"2014-12-31","val":354000,"accn":"0001571049-15-002270","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-24"},{"end":"2014-12-31","val":354000,"accn":"0001571049-16-012779","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09","frame":"CY2014Q4I"},{"end":"2015-12-31","val":131000,"accn":"0001571049-16-012779","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09"},{"end":"2015-12-31","val":131000,"accn":"0001571049-17-002041","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015Q4I"},{"end":"2016-12-31","val":190000,"accn":"0001571049-17-002041","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2016Q4I"}]}},"AccruedRentCurrentAndNoncurrent":{"label":"Accrued Rent","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements.","units":{"USD":[{"end":"2014-03-31","val":600000,"accn":"0001144204-14-029384","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2014-03-31","val":600000,"accn":"0001571049-14-003903","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-12"},{"end":"2014-03-31","val":600000,"accn":"0001571049-14-006163","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-12"},{"end":"2014-03-31","val":600000,"accn":"0001571049-15-003844","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2014Q1I"},{"end":"2014-06-30","val":251000,"accn":"0001571049-14-003903","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-12","frame":"CY2014Q2I"},{"end":"2014-09-30","val":67000,"accn":"0001571049-14-006163","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-12","frame":"CY2014Q3I"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2011-12-31","val":15821000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22","frame":"CY2011Q4I"},{"end":"2012-12-31","val":15945000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22"},{"end":"2012-12-31","val":15945000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-12-31","val":12243000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":12243000,"accn":"0001571049-15-002270","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-24","frame":"CY2013Q4I"},{"end":"2014-12-31","val":876000,"accn":"0001571049-15-002270","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-24"},{"end":"2014-12-31","val":876000,"accn":"0001571049-16-012779","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09","frame":"CY2014Q4I"},{"end":"2015-12-31","val":773000,"accn":"0001571049-16-012779","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09"},{"end":"2015-12-31","val":773000,"accn":"0001571049-17-002041","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015Q4I"},{"end":"2016-12-31","val":863000,"accn":"0001571049-17-002041","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2016Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2010-12-31","val":96000,"accn":"0001144204-11-044880","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09"},{"end":"2010-12-31","val":96000,"accn":"0001144204-11-062346","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"end":"2010-12-31","val":96000,"accn":"0001144204-12-015373","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":79000,"accn":"0001144204-11-044880","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09","frame":"CY2011Q2I"},{"end":"2011-09-30","val":44000,"accn":"0001144204-11-062346","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-8000,"accn":"0001144204-12-015373","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":-8000,"accn":"0001144204-12-027438","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10"},{"end":"2011-12-31","val":-8000,"accn":"0001144204-12-043919","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09"},{"end":"2011-12-31","val":-8000,"accn":"0001144204-12-060913","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":-8000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22","frame":"CY2011Q4I"},{"end":"2012-03-31","val":-3000,"accn":"0001144204-12-027438","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10","frame":"CY2012Q1I"},{"end":"2012-06-30","val":-27000,"accn":"0001144204-12-043919","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":-9000,"accn":"0001144204-12-060913","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":-27000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22"},{"end":"2012-12-31","val":-27000,"accn":"0001144204-13-027929","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-10"},{"end":"2012-12-31","val":-27000,"accn":"0001144204-13-045166","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":-27000,"accn":"0001144204-13-060431","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":-27000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":-15000,"accn":"0001144204-13-027929","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-10","frame":"CY2013Q1I"},{"end":"2013-06-30","val":-8000,"accn":"0001144204-13-045166","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":-14000,"accn":"0001144204-13-060431","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":-22000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":-22000,"accn":"0001144204-14-029384","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":-22000,"accn":"0001571049-14-003903","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-12"},{"end":"2013-12-31","val":-22000,"accn":"0001571049-14-006163","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-12"},{"end":"2013-12-31","val":-22000,"accn":"0001571049-15-002270","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-24","frame":"CY2013Q4I"},{"end":"2014-03-31","val":-10000,"accn":"0001144204-14-029384","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":-26000,"accn":"0001571049-14-003903","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-12","frame":"CY2014Q2I"},{"end":"2014-09-30","val":-23000,"accn":"0001571049-14-006163","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-12","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-33000,"accn":"0001571049-15-002270","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-24"},{"end":"2014-12-31","val":-33000,"accn":"0001571049-15-003844","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08"},{"end":"2014-12-31","val":-33000,"accn":"0001571049-15-006398","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":-33000,"accn":"0001571049-15-008997","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-09"},{"end":"2014-12-31","val":-33000,"accn":"0001571049-16-012779","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09","frame":"CY2014Q4I"},{"end":"2015-03-31","val":-25000,"accn":"0001571049-15-003844","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-08","frame":"CY2015Q1I"},{"end":"2015-06-30","val":-31000,"accn":"0001571049-15-006398","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":-38000,"accn":"0001571049-15-008997","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-09","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-5000,"accn":"0001571049-16-012779","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-09"},{"end":"2015-12-31","val":-5000,"accn":"0001571049-16-015186","fy":2016,"fp":"Q1","form"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For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2010-12-31","val":276576000,"accn":"0001144204-11-044880","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09"},{"end":"2010-12-31","val":276576000,"accn":"0001144204-11-062346","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"end":"2010-12-31","val":276576000,"accn":"0001144204-12-015373","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":277375000,"accn":"0001144204-11-044880","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09","frame":"CY2011Q2I"},{"end":"2011-09-30","val":277806000,"accn":"0001144204-11-062346","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09","frame":"CY2011Q3I"},{"end":"2011-12-31","val":278239000,"accn":"0001144204-12-015373","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":278239000,"accn":"0001144204-12-027438","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10"},{"end":"2011-12-31","val":278239000,"accn":"0001144204-12-043919","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09"},{"end":"2011-12-31","val":278239000,"accn":"0001144204-12-060913","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":278239000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22","frame":"CY2011Q4I"},{"end":"2012-03-31","val":278569000,"accn":"0001144204-12-027438","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10","frame":"CY2012Q1I"},{"end":"2012-06-30","val":278877000,"accn":"0001144204-12-043919","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":279189000,"accn":"0001144204-12-060913","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":279518000,"accn":"0001144204-13-016894","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-22"},{"end":"2012-12-31","val":279518000,"accn":"0001144204-13-027929","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-10"},{"end":"2012-12-31","val":279518000,"accn":"0001144204-13-045166","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":279518000,"accn":"0001144204-13-060431","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":279518000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":279839000,"accn":"0001144204-13-027929","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-10","frame":"CY2013Q1I"},{"end":"2013-06-30","val":280144000,"accn":"0001144204-13-045166","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":280426000,"accn":"0001144204-13-060431","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":280398000,"accn":"0001144204-14-018565","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":280398000,"accn":"0001144204-14-029384","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":280398000,"accn":"0001571049-14-003903","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":291260000,"accn":"0001144204-14-029384","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":291299000,"accn":"0001571049-14-003903","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-12","frame":"CY2014Q2I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. 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