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Note 5 - Allowance for Credit Losses (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2024 | Jan. 01, 2023 | Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss | $ 16,400 | $ 11,974 |  |  | $ 7,446
Financing Receivable, Modified, Accumulated |  | 0 |  |  |
Financing Receivable, Modified, Subsequent Default | 0 |  |  |  |
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  | $ 2,186
Unfunded Loan Commitment [Member] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) | 73 | 260 |  |  |
Off-Balance-Sheet, Credit Loss, Liability | 486 | 413 |  |  |
Unfunded Loan Commitment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability |  |  |  | $ 153 |
Unfunded Loan Commitment [Member] | Touchstone Bankshares, Inc [Member] |  |  |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) | $ 100 |  |  |  |
Collateral Pledged [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | $ 0 | $ 0 |  |

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