Mortgage-Backed Securities (Tables)

3 Months Ended

Mar. 31, 2016

Mortgage Backed Securities [Abstract]

Schedule of Mortgage-Backed Securities Reconciliation

(in thousands)
		March 31, 2016		December 31, 2015
Pass-Through RMBS Certificates:
	Hybrid Adjustable-rate Mortgages	$	52,044	$	52,238
	Adjustable-rate Mortgages		2,939		2,976
	Fixed-rate Mortgages		1,826,562		2,000,623
	Total Pass-Through Certificates		1,881,545		2,055,837
Structured RMBS Certificates:
	Interest-Only Securities		56,607		61,574
	Inverse Interest-Only Securities		38,893		40,599
	Total Structured RMBS Certificates		95,500		102,173
Total		$	1,977,045	$	2,158,010

Schedule Of Mortgage-Backed Securities by Contractual Maturity

(in thousands)
	March 31, 2016		December 31, 2015
Greater than five years and less than ten years	$	711	$	835
Greater than or equal to ten years		1,976,334		2,157,175
Total	$	1,977,045	$	2,158,010