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Mortgage Backed Securities
12 Months Ended
Dec. 31, 2015
Mortgage Backed Securities [Abstract]  
Mortgage-Backed Securities

NOTE 2. MORTGAGE-BACKED SECURITIES

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

(in thousands)
December 31, 2015December 31, 2014
Pass-Through RMBS Certificates:
Hybrid Adjustable-rate Mortgages $52,238$70,400
Adjustable-rate Mortgages 2,9763,794
Fixed-rate Mortgages 2,000,6231,412,593
Total Pass-Through Certificates2,055,8371,486,787
Structured RMBS Certificates:
Interest-Only Securities61,57446,611
Inverse Interest-Only Securities40,59915,773
Total Structured RMBS Certificates102,17362,384
Total$2,158,010$1,549,171

The following table summarizes the Company’s RMBS portfolio as of December 31, 2015 and 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)
December 31, 2015December 31, 2014
Greater than five years and less than ten years $835$967
Greater than or equal to ten years2,157,1751,548,204
Total$2,158,010$1,549,171