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Note 6 - Mortgage Loan Servicing (Details) - Mortgage Loans Serviced for Others (USD $)
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Dec. 31, 2014
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|---|---|
| Mortgage loan portfolios serviced for: | |
| Mortgage loans serviced for others | $ 590,820,000 |
| Federal Home Loan Mortgage Corporation [Member] | |
| Mortgage loan portfolios serviced for: | |
| Mortgage loans serviced for others | 589,118,000 |
| Federal Home Loan Bank [Member] | |
| Mortgage loan portfolios serviced for: | |
| Mortgage loans serviced for others | $ 1,702,000 |