Mortgage Backed Securities

6 Months Ended

Jun. 30, 2015

Mortgage Backed Securities [Abstract]

NOTE 2. MORTGAGE-BACKED SECURITIES

The following table presents the Company’s RMBS portfolio as of June 30, 2015 and December 31, 2014:

(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

The following table summarizes the Company’s RMBS portfolio as of June 30, 2015 and December 31, 2014, according to the contractual maturities of the securities in the portfolio. Actual maturities of RMBS investments are generally shorter than stated contractual maturities and are affected by the contractual lives of the underlying mortgages, periodic payments of principal, and prepayments of principal.

(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

The Company generally pledges its RMBS assets as collateral under repurchase agreements. At June 30, 2015 and December 31, 2014, the Company had unpledged securities totaling $59.0 million and $31.9 million, respectively. The unpledged balance at June 30, 2015 includes an unsettled security purchase with a fair value of approximately $7.6 million that will be pledged as collateral under repurchase agreements on its settlement date in July 2015.