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Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Details of the Collateral Dependent Loan (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Related allowance | $ 10,262 | $ 9,094 | $ 8,225
Collateral Pledged [Member] |  |  |
Total Loans | 9,259 | 2,184 |
Related allowance | 0 | 0 |
Consumer Real Estate Portfolio Segment [Member] |  |  |
Related allowance | 3,926 | 3,162 | 2,199
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Collateral Pledged [Member] |  |  |
Total Loans | 0 | 7 |
Related allowance | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Related allowance | 4,299 | 3,576 | $ 3,642
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Collateral Pledged [Member] |  |  |
Total Loans | 8,387 | 2,177 |
Related allowance | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Collateral Pledged [Member] |  |  |
Total Loans | 872 | 0 |
Related allowance | $ 0 | $ 0 |

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