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Note 2 - Fair Value of Financial Instruments (Details) - Level 3 Fair Value Measurements - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014
Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair value (in Dollars) | $ 829 |
Valuation technique | Sales approach |
Fair value (in Dollars) | $ 829 |
Valuation technique | Sales approach |
Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair value (in Dollars) | $ 2,548 | $ 2,597
Valuation technique | Sales approach | Income approach
Fair value (in Dollars) | $ 2,548 | $ 2,597
Valuation technique | Sales approach | Income approach
Capitalization rate |  | 6.50%
Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Valuation technique |  | Income approach
Valuation technique |  | Income approach
Capitalization rate |  | 10.00%
Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair value (in Dollars) |  | $ 2,673
Valuation technique |  | Sales approach
Fair value (in Dollars) |  | $ 2,673
Valuation technique |  | Sales approach
Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair value (in Dollars) | $ 1,147 | $ 1,147
Valuation technique | Sales approach | Sales approach
Fair value (in Dollars) | $ 1,147 | $ 1,147
Valuation technique | Sales approach | Sales approach
Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair value (in Dollars) |  | $ 1,679
Valuation technique |  | Sales approach
Fair value (in Dollars) |  | $ 1,679
Valuation technique |  | Sales approach
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair value (in Dollars) |  | $ 2,532
Valuation technique |  | Sales approach
Fair value (in Dollars) |  | $ 2,532
Valuation technique |  | Sales approach
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables | 7.00% |
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Capitalization rate | 0.00% |
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 0.00%
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables | 5.00% | 5.00%
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 0.30%
Minimum [Member] | Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 10.00%
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables | 40.00% |
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Capitalization rate | 12.50% |
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 12.50%
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables | 35.00% | 35.00%
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 62.00%
Maximum [Member] | Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 30.00%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables | 16.00% |
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Capitalization rate | 5.70% | 6.50%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Capitalization rate |  | 10.00%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 5.70%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables | 18.00% | 18.00%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 18.00%
Weighted Average [Member] | Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Adjustment to comparables |  | 21.42%

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- Definition Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input 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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- Definition Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input 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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