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Note 13 - Fair Value of Financial Instruments (Details) - Level 3 Fair Value Measurements - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Fair value (in Dollars) | $ 2,473 | $ 2,673
Valuation technique | Sales approach | Sales approach
December 31, 2014 |  |
Fair value (in Dollars) | $ 2,473 | $ 2,673
Valuation technique | Sales approach | Sales approach
Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Commercial real estate: |  |
Fair value (in Dollars) | $ 1,147 | $ 1,147
Valuation technique | Sales approach | Sales approach
December 31, 2014 |  |
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] |  |
Commercial real estate: |  |
Fair value (in Dollars) |  | $ 1,679
Valuation technique |  | Sales approach
December 31, 2014 |  |
Fair value (in Dollars) |  | $ 1,679
Valuation technique |  | Sales approach
Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Fair value (in Dollars) |  | $ 2,597
Valuation technique |  | Income approach
December 31, 2014 |  |
Fair value (in Dollars) |  | $ 2,597
Valuation technique |  | Income approach
Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Valuation technique |  | Income approach
December 31, 2014 |  |
Valuation technique |  | Income approach
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Fair value (in Dollars) | $ 3,779 | $ 2,532
Valuation technique | Sales approach | Sales approach
December 31, 2014 |  |
Fair value (in Dollars) | $ 3,779 | $ 2,532
Valuation technique | Sales approach | Sales approach
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 0.00% | 0.00%
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 0.00% | 5.00%
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Adjustment to comparables |  | 0.30%
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
December 31, 2014 |  |
Capitalization rate |  | 6.50%
Minimum [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
December 31, 2014 |  |
Capitalization rate |  | 10.00%
Minimum [Member] | Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 0.90% | 10.00%
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 12.50% | 12.50%
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Commercial real estate: |  |
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] |  |
Commercial real estate: |  |
Adjustment to comparables |  | 62.00%
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
December 31, 2014 |  |
Capitalization rate |  | 6.50%
Maximum [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Owner Occupied [Member] | Impaired Loans [Member] |  |
December 31, 2014 |  |
Capitalization rate |  | 10.00%
Maximum [Member] | Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 30.00% | 30.00%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 5.70% | 5.70%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Other Real Estate Owned [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 15.20% | 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] |  |
Commercial real estate: |  |
Adjustment to comparables |  | 18.00%
Weighted Average [Member] | Commercial Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial Real Estate Nonowner Occupied [Member] | Impaired Loans [Member] |  |
December 31, 2014 |  |
Capitalization rate |  | 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] |  |
December 31, 2014 |  |
Capitalization rate |  | 10.00%
Weighted Average [Member] | Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Impaired Loans [Member] |  |
Commercial real estate: |  |
Adjustment to comparables | 14.30% | 21.42%

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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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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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