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Repurchase Agreements (Tables) | 6 Months Ended
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Jun. 30, 2012
REPURCHASE AGREEMENTS [Abstract] |
Schedule of Repurchase Agreements [Table Text Block] | The following tables present the components of the Company’s repurchase agreements as of June 30, 2012 and December 31, 2011 by the fair value and type of securities pledged as collateral to the repurchase agreements:
| June 30, 2012
Collateral Type | Balance |  | Weighted Average Rate |  | Fair Value of Collateral Pledged
Agency RMBS | $ | 2,162,480 |  |  | 0.40 | % |  | $ | 2,239,357 |
Agency CMBS and CMBS IOs | 468,322 |  |  | 0.81 | % |  | 536,268 |
Non-Agency RMBS | 14,575 |  |  | 1.82 | % |  | 16,582 |
Non-Agency CMBS and CMBS IOs | 425,241 |  |  | 1.41 | % |  | 520,751 |
Securitization financing bonds | 41,306 |  |  | 1.61 | % |  | 50,395 |
| $ | 3,111,924 |  |  | 0.62 | % |  | $ | 3,363,353 |
| 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 maturity as of June 30, 2012 and December 31, 2011:
Original Maturity | June 30, 2012 |  | December 31, 2011
30 days or less | $ | 1,076,065 |  |  | $ | 180,387 |
31 to 60 days | 1,168,159 |  |  | 880,491 |
61 to 90 days | 536,687 |  |  | 496,509 |
Greater than 90 days | 331,013 |  |  | 536,406 |
| $ | 3,111,924 |  |  | $ | 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 The entire disclosure for repurchase agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph m -Subparagraph 1 -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 + Details
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