Mortgage-Backed Securities (Tables)

6 Months Ended

Jun. 30, 2015

Mortgage Backed Securities [Abstract]

Schedule of Mortgage-Backed Securities Reconciliation

(in thousands)
		June 30, 2015		December 31, 2014
Pass-Through RMBS Certificates:
	Hybrid Adjustable-rate Mortgages	$	56,754	$	70,400
	Adjustable-rate Mortgages		3,456		3,794
	Fixed-rate Mortgages		1,993,369		1,412,593
	Total Pass-Through Certificates		2,053,579		1,486,787
Structured RMBS Certificates:
	Interest-Only Securities		78,347		46,611
	Inverse Interest-Only Securities		42,945		15,773
	Total Structured RMBS Certificates		121,292		62,384
Total		$	2,174,871	$	1,549,171

Schedule Of Mortgage-Backed Securities by Contractual Maturity

(in thousands)
	June 30, 2015		December 31, 2014
Greater than five years and less than ten years	$	697	$	967
Greater than or equal to ten years		2,174,174		1,548,204
Total	$	2,174,871	$	1,549,171