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Basis of Presentation and Significant Accounting Policies Determination of RMBS Fair Value (Details)
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Dec. 31, 2011
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Investment Securities Categorized as Level 3 Assets | 0.20% |
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- Definition
This item represents the percent of the investment securities portfolio measured at fair value on either a recurring or nonrecurring basis and fall within Level 3 of the fair value measurements hierarchy. Level 3 inputs are unobservable inputs for the asset or liability. Unobservable inputs are used to measure fair value to the extent that observable inputs are not available; such as, when there is little, if any, market activity for the asset or liability at the measurement date. No definition available.
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- Details
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