Fair Value (Tables)

3 Months Ended

Mar. 31, 2016

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)
March 31, 2016
Mortgage-backed securities	$	1,977,045	$	-	$	1,977,045	$	-
Margin posted on derivative agreements		16,239		16,239		-		-
Interest rate swaps		21		-		21		-
TBA securities		183		-		183		-
December 31, 2015
Mortgage-backed securities	$	2,158,010	$	-	$	2,158,010	$	-
Margin posted on derivative agreements		8,483		8,483		-		-
Receiver swaptions		669		-		669		-