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Note 14 - Fair Value - Assets Measured at Fair Value on Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - Non-covered Loans [Member] - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Collateral Dependent Assets With Specific Reserves [Member] |  |
Total Fair Value | $ 574 | $ 574
Collateral Dependent Assets With Specific Reserves [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Total Fair Value | 0 | 0
Collateral Dependent Assets With Specific Reserves [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Total Fair Value | 0 | 0
Collateral Dependent Assets With Specific Reserves [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total Fair Value | 574 | 574
OREO [Member] |  |
Total Fair Value | 481 | 703
OREO [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Total Fair Value | 0 | 0
OREO [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Total Fair Value | 0 | 0
OREO [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total Fair Value | $ 481 | $ 703

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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 -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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