Annual report pursuant to Section 13 and 15(d)

Schedule of Supplemental Non-Cash Investing and Financing Activities relating to CDOs (Details)

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Schedule of Supplemental Non-Cash Investing and Financing Activities relating to CDOs (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2010
Dec. 31, 2011
Restated
Restricted cash generated from sale of securities $ 56,629 $ 249,549 $ 336,911
Restricted cash generated from sale of real estate related loans    53,020 125,141
Restricted cash generated from paydowns on securities and loans 274,832 511,276 546,752
Restricted cash used for purchases of real estate securities 143,184 368,893 427,826
Restricted cash used for purchases of real estate related loans 91,481 107,708 384,850
Restricted cash used for repayments of CDO bonds payable 166,845 202,037 101,687
Restricted cash used for repurchases of CDO bonds payable and other bonds payable    143,046 3,213
Restricted cash used for purchases of derivative instruments 408 5,187   
Restricted cash generated from margin collateral received       6,550
Restricted cash used to return margin collateral 6,550      
CDO Deconsolidation      
Real Estate Securities 1,033,016    262,617
Restricted Cash 51,522    37,988
Derivative Liabilities 57,343    20,257
CDO Bonds Payable $ 1,110,694    $ 336,046