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Note 6 - Consolidated K-Series (Details) - Geographic Concentrations of Credit Risk (Multi-Family Loans Held in Securitization Trusts [Member])
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12 Months Ended | |
|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Texas [Member]
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| Concentration Risk [Line Items] | ||
| Geographic concentrations | 14.00% | 14.00% |
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California [Member]
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| Concentration Risk [Line Items] | ||
| Geographic concentrations | 13.70% | 13.60% |
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New York [Member]
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| Concentration Risk [Line Items] | ||
| Geographic concentrations | 7.20% | 6.80% |
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Florida [Member]
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| Concentration Risk [Line Items] | ||
| Geographic concentrations | 6.50% | 7.40% |
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Washington [Member]
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| Concentration Risk [Line Items] | ||
| Geographic concentrations | 5.30% | 5.00% |
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Georgia [Member]
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| Concentration Risk [Line Items] | ||
| Geographic concentrations | 4.40% | 5.40% |