Mortgage-Backed Debt and Related Collateral (Tables)

12 Months Ended

Dec. 31, 2014

Mortgage Backed Debt And Related Collateral [Abstract]

Mortgage-Backed Debt Issued By Consolidated Residual And Non-Residual Trusts

Provided in the table below is information regarding the mortgage-backed debt issued by the consolidated Residual and Non-Residual Trusts (dollars in thousands):

	December 31, 2014				December 31, 2013
	Amortized Cost		Weighted-Average Stated Interest Rate (1)		Amortized Cost		Weighted-Average Stated Interest Rate (1)
Mortgage-backed debt at amortized cost (unpaid principal balance of $1,099,997 and $1,204,539 at December 31, 2014 and 2013, respectively)	$	1,098,292	6.63	%	$	1,203,084	6.68	%
Mortgage-backed debt at fair value (unpaid principal balance of $657,174 and $735,379 at December 31, 2014 and 2013 respectively)	653,167		5.45	%	684,778		5.85	%
Total mortgage-backed debt	$	1,751,459	6.19	%	$	1,887,862	6.37	%

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(1) Represents the weighted-average stated interest rate, which may be different from the effective rate which considers the amortization of discounts and issuance costs.