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Repurchase Agreements (Tables) | 9 Months Ended
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Sep. 30, 2012
REPURCHASE AGREEMENTS [Abstract] |
Schedule of Assets and Associated Liabilities Accounted for as Secured Borrowings [Table Text Block] | The following tables present the components of the Company’s repurchase agreements as of September 30, 2012 and December 31, 2011 by the fair value and type of securities pledged as collateral to the repurchase agreements:
| September 30, 2012
Collateral Type | Balance |  | Weighted Average Rate |  | Fair Value of Collateral Pledged
Agency RMBS | $ | 2,560,779 |  |  | 0.41 | % |  | $ | 2,665,860 |
Agency CMBS and CMBS IOs | 634,327 |  |  | 0.93 | % |  | 789,792 |
Non-Agency RMBS | 11,042 |  |  | 1.82 | % |  | 12,761 |
Non-Agency CMBS and CMBS IOs | 431,039 |  |  | 1.39 | % |  | 540,332 |
Securitization financing bonds | 34,549 |  |  | 1.67 | % |  | 36,342 |
Deferred fees | (764 | ) |  | n/a |  |  | n/a |
| $ | 3,670,972 |  |  | 0.63 | % |  | $ | 4,045,087 |
| December 31, 2011
Collateral Type | Balance |  | Weighted Average Rate |  | Fair Value of Collateral Pledged
Agency RMBS | $ | 1,447,508 |  |  | 0.38 | % |  | $ | 1,521,107 |
Agency CMBS and CMBS IOs | 290,362 |  |  | 0.59 | % |  | 329,612 |
Non-Agency RMBS | 12,195 |  |  | 1.85 | % |  | 13,597 |
Non-Agency CMBS and CMBS IOs | 283,266 |  |  | 1.54 | % |  | 336,124 |
Securitization financing bonds | 60,462 |  |  | 1.65 | % |  | 67,872 |
| $ | 2,093,793 |  |  | 0.61 | % |  | $ | 2,268,312 |
Repurchase Agreements, Original Maturity Schedule [Table Text Block] | The following table provides a summary of the original maturities as of September 30, 2012 and December 31, 2011:
Original Maturity | September 30, 2012 |  | December 31, 2011
30 days or less | $ | 1,663,679 |  |  | $ | 180,387 |
31 to 60 days | 898,021 |  |  | 880,491 |
61 to 90 days | 472,705 |  |  | 496,509 |
Greater than 90 days | 636,567 |  |  | 536,406 |
| $ | 3,670,972 |  |  | $ | 2,093,793 |

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- Definition Repurchase Agreements, Original Maturity Schedule [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the carrying amount and classification of assets and liabilities recognized in the transferor's statement of financial position at the end of each period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=7523297&loc=SL6224234-111729 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4/FIN46(R)-8 -Paragraph B12 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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