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Note O - Fair Value of Financial Instruments - Level 3 Fair Value Measurements (Details) - Fair Value, Nonrecurring [Member] - Valuation, Market Approach [Member] $ in Thousands | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | ---
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Impaired Loans, Fair Value | $ 1,644 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] | Measurement Input, Comparability Adjustment [Member] | Minimum [Member] |  |
Unobservable input | 0 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] | Measurement Input, Comparability Adjustment [Member] | Maximum [Member] |  |
Unobservable input | 20 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] | Measurement Input, Comparability Adjustment [Member] | Weighted Average [Member] |  |
Unobservable input | 9.7 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Impaired Loans, Fair Value |  | $ 264
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Nonowner Occupied [Member] | Measurement Input, Comparability Adjustment [Member] | Minimum [Member] |  |
Unobservable input |  | 0.068
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Nonowner Occupied [Member] | Measurement Input, Comparability Adjustment [Member] | Maximum [Member] |  |
Unobservable input |  | 0.667
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Nonowner Occupied [Member] | Measurement Input, Comparability Adjustment [Member] | Weighted Average [Member] |  |
Unobservable input |  | 0.18
Commercial and Industrial Portfolio Segment [Member] |  |
Impaired Loans, Fair Value | $ 4,559 |
Commercial and Industrial Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Minimum [Member] |  |
Unobservable input | 0 |
Commercial and Industrial Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Maximum [Member] |  |
Unobservable input | 61 |
Commercial and Industrial Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Weighted Average [Member] |  |
Unobservable input | 10.3 |

X
- Definition Represents the value of impaired loans as of a specified date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Value of input used to measure impaired loans. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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