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Note 13 - Fair Value - Assets Measured at Fair Value on Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Impaired Loans [Member] | Non-covered Loans [Member] |  |
Total Fair Value | $ 5,046 | $ 5,015
Impaired Loans [Member] | Non-covered Loans [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Total Fair Value |  |
Impaired Loans [Member] | Non-covered Loans [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Total Fair Value |  |
Impaired Loans [Member] | Non-covered Loans [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total Fair Value | 5,046 | 5,015
OREO [Member] | Non-covered Loans [Member] |  |
Total Fair Value | 4,624 | 2,359
OREO [Member] | Non-covered Loans [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Total Fair Value |  |
OREO [Member] | Non-covered Loans [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Total Fair Value |  |
OREO [Member] | Non-covered Loans [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total Fair Value | 4,624 | 2,359
OREO [Member] | Covered Loans [Member] |  |
Total Fair Value | 32 | 105
OREO [Member] | Covered Loans [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Total Fair Value |  |
OREO [Member] | Covered Loans [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Total Fair Value |  |
OREO [Member] | Covered Loans [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total Fair Value | $ 32 | $ 105

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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