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Real Estate Securities | 3 Months Ended
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Mar. 31, 2013
Investments, Debt and Equity Securities [Abstract] |
Real Estate Securities | Real Estate Securities The following tables present the current principal balance, premium or discount, amortized cost, gross unrealized gains, gross unrealized losses, and fair market value of the Company's real estate securities portfolio at March 31, 2013 and December 31, 2012, respectively. The non-Agency RMBS portfolio is not issued or guaranteed by Fannie Mae, Freddie Mac or any agency of the U.S. Government and is therefore subject to credit risk. March 31, 2013:
($ in thousands) |  |  |  |  |  |  | Gross Unrealized |  |  |  | Weighted Average
| Current Principal |  | Unamortized Premium (Discount) |  | Amortized Cost |  | Gains |  | Losses |  | Fair Value |  | Coupon |  | Yield |  | Weighted Average Life(Years)(1)
Non-Agency RMBS | $ | 20,252 |  |  | $ | (8,153 | ) |  | $ | 12,099 |  |  | $ | 536 |  |  | $ | (275 | ) |  | $ | 12,360 |  |  | 2.9% |  | 7.9% |  | 6.04
December 31, 2012:
($ in thousands) |  |  |  |  |  |  | Gross Unrealized |  |  |  | Weighted Average
| Current Principal |  | Unamortized Premium (Discount) |  | Amortized Cost |  | Gains |  | Losses |  | Fair Value |  | Coupon |  | Yield |  | Weighted Average Life(Years)(1)
Non-Agency RMBS | $ | 26,890 |  |  | $ | (13,400 | ) |  | $ | 13,490 |  |  | $ | 117 |  |  | $ | (11 | ) |  | $ | 13,596 |  |  | 2.2% |  | 8.5% |  | 7.80
(1) | Actual maturities of MBS are generally shorter than stated contractual maturities. Maturities are affected by the contractual lives of the underlying mortgages, periodic payments of principal and prepayments of principal.

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