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Note 3 - Loans and Allowance for Credit Losses - Allowance for Credit Losses on Unfunded Commitments (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Balance | $ 9,094 | $ 8,225 | $ 8,225
Recovery of credit losses | 1,307 | 12 | (1,278)
Balance | 10,502 | 10,626 | 9,094
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | 2,342 | 2,342
Unfunded Loan Commitment [Member] |  |  |
Balance | 259 | 35 | 35
Recovery of credit losses | (15) | (9) |
Balance | 251 | 233 | 259
Unfunded Loan Commitment [Member] | Frontier Community Bank [Member] |  |  |
FCB acquisition | $ 7 |  |
Unfunded Loan Commitment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | $ 207 | $ 207

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