Mortgage Loans Held-for-Investment in Securitization Trust, at Fair Value Mortgage Loans Held-for-Investment in Securitization Trust, at Fair Value (Notes)

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Mortgage Loans Held-for-Investment in Securitization Trust, at Fair Value Mortgage Loans Held-for-Investment in Securitization Trust, at Fair Value (Notes)	3 Months Ended
	Mar. 31, 2013
Mortgage Loans Held-for-Investment, at Fair Value [Abstract]
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	Mortgage Loans Held-for-Investment in Securitization Trust, at Fair Value During the three months ended March 31, 2013, the Company purchased subordinated debt and excess servicing rights from a securitization trust issued by a third party. The underlying residential mortgage loans held by the trust, which are consolidated on the Company's condensed consolidated balance sheet, are classified as mortgage loans held-for-investment in securitization trust and carried at fair value as a result of a fair value option election. See Note 3 - Variable Interest Entities for additional information regarding consolidation of the securitization trust. The following table presents the carrying value of the Company's mortgage loans held-for-investment in securitization trust as of March 31, 2013 and December 31, 2012: (in thousands) March 31, 2013   December 31, 2012 Unpaid principal balance $ 421,485   $ — Fair value adjustment 12,583   — Carrying value $ 434,068   $ —