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Repurchase Agreement - Additional Information (Details) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 9 Months Ended | 12 Months Ended
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Jan. 31, 2013 | Sep. 30, 2013 debt_positions_and_securities | Dec. 31, 2012 option
Text Block [Abstract] |  |  |
Investment in the form of repurchase facility secured by Class A-2 CDO bond |  | $ 47,439 |
Total balance of the Company's investment in the repurchase facility |  | 47,439 |
Aggregate face amount of borrowings under repurchase facility |  | $ 68,726 |
Advance rate on CDO bond's face amount in percentage |  | 69.00% |
Number of senior and subordinate commercial real estate debt positions and commercial real estate securities included in CDO |  | 58 |
Interest rate for repurchase facility |  | 13.00% |
Current pay interest rate |  | 10.00% |
Accrual interest rate |  | 3.00% |
Initial term for repurchase facility |  | 18 months |
Number of options to extend repurchase agreement |  |  | 3
Option to extend repurchase agreement, term |  |  | 6 months
Interest rate for principal repayments that occur prior to the 21st month are subject to a make-whole provision |  | 13.00% |
IRR on loan investment | 17.00% |  |

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- Definition Total balance of the Company's investment in the repurchase facility. + References No definition available. + Details
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- Definition Interest Rate For Principal Repayments That Occur Prior To Twenty First Month Are Subject To Make Whole Provision + References No definition available. + Details
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- Details
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