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Note 8 - Fair Value Measurements (Details) - Level 3 Fair Value Measurements (Impaired Loans [Member]) | 9 Months Ended
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Sep. 30, 2014
Present Value of Cash Flows [Member] | Minimum [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans | 5.88% |
Present Value of Cash Flows [Member] | Maximum [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans | 9.50% |
Present Value of Cash Flows [Member] | Weighted Average [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans | 6.11% |
Present Value of Cash Flows [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans | Present value of cash flows |
Impaired loans | Present value of cash flows |
Discounted Appraised Value [Member] | Weighted Average [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans | 10.00% | [1]
Discounted Appraised Value [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans | Discounted appraised value |
Impaired loans | Discounted appraised value |
[1] | As of September 30, 2014, the collateral method of fair valuation was applied to one loan.

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- Definition Refers to the rate of selling cost. + References No definition available. + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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