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Note 12 - Fair Value - Assets Measured at Fair Value on Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - Non-covered Loans [Member] - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Collateral Dependent Assets With Specific Reserves [Member] |  |
Total Fair Value | $ 0 | $ 531
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 | 0 | 531
OREO [Member] |  |
Total Fair Value | 264 | 521
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 | $ 264 | $ 521

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- Definition Fair value portion of asset recognized for present right to economic benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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