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Note 13 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis (USD $)
In Thousands, unless otherwise specified
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Dec. 31, 2013
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Dec. 31, 2012
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Residential Mortgage Loans Held In Securitization Trusts - Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
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| Note 13 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |
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| Residential Mortgage loans held in securitization trusts – impaired loans (net) |
$ 6,591 |
$ 5,059 |
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Residential Mortgage Loans Held In Securitization Trusts - Impaired Loans [Member] | Estimate of Fair Value Measurement [Member]
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| Note 13 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |
|
|
| Residential Mortgage loans held in securitization trusts – impaired loans (net) |
6,591 |
5,059 |
|
Fair Value, Inputs, Level 3 [Member]
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|
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| Note 13 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |
|
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| Residential Mortgage loans held in securitization trusts – impaired loans (net) |
8,111,022 |
5,442,906 |
| Real estate owned held in residential securitization trusts |
1,108 |
732 |
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Estimate of Fair Value Measurement [Member]
|
|
|
| Note 13 - Fair Value of Financial Instruments (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |
|
|
| Residential Mortgage loans held in securitization trusts – impaired loans (net) |
8,111,022 |
5,442,906 |
| Real estate owned held in residential securitization trusts |
$ 1,108 |
$ 732 |