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Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2010-12-31","val":28412000,"accn":"0001144204-11-044597","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"end":"2010-12-31","val":28412000,"accn":"0001144204-11-061458","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"end":"2010-12-31","val":28412000,"accn":"0001144204-12-012714","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2010Q4I"},{"end":"2011-06-30","val":43209000,"accn":"0001144204-11-044597","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":37834000,"accn":"0001144204-11-061458","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":35252000,"accn":"0001144204-12-012714","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"end":"2011-12-31","val":35252000,"accn":"0001144204-12-026997","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09"},{"end":"2011-12-31","val":35252000,"accn":"0001144204-13-014537","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2011Q4I"},{"end":"2012-03-31","val":21700000,"accn":"0001144204-12-026997","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09","frame":"CY2012Q1I"},{"end":"2012-12-31","val":14677000,"accn":"0001144204-13-014537","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12"},{"end":"2012-12-31","val":14677000,"accn":"0001193125-14-097931","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2012Q4I"},{"end":"2013-12-31","val":55696000,"accn":"0001193125-14-097931","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13"},{"end":"2013-12-31","val":55696000,"accn":"0001193125-15-069937","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-12-31","val":74284000,"accn":"0001193125-15-069937","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":74284000,"accn":"0001193125-16-481950","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26","frame":"CY2014Q4I"},{"end":"2015-12-31","val":200290000,"accn":"0001193125-16-481950","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26","frame":"CY2015Q4I"}]}},"CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Operating Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":3000,"accn":"0001144204-12-012714","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-10000,"accn":"0001144204-13-014537","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":-10000,"accn":"0001144204-12-012714","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2011-01-01","end":"2011-12-31","val":1000,"accn":"0001193125-14-097931","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":1000,"accn":"0001144204-13-014537","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12"},{"start":"2011-01-01","end":"2011-12-31","val":1000,"accn":"0001144204-12-012714","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-02"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001144204-13-014537","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2012"}]}},"CashUninsuredAmount":{"label":"Cash, 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Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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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