Fair Value (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Assets Measured at Fair Value on Recurring Basis

(in thousands)
				Quoted Prices
				in Active		Significant
				Markets for		Other		Significant
				Identical		Observable		Unobservable
		Fair Value		Assets		Inputs		Inputs
		Measurements		(Level 1)		(Level 2)		(Level 3)
December 31, 2014
Mortgage-backed securities	$	1,549,171	$	-	$	1,549,171	$	-
Eurodollar futures contracts		5,174		5,174		-		-
Payer swaptions		1,217		-		1,217		-
December 31, 2013
Mortgage-backed securities	$	351,223	$	-	$	351,223	$	-
Eurodollar futures contracts		2,446		2,446		-		-