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Note 1 - General (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Oct. 01, 2024 | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Business Combination, Acquisition-Related Cost, Expense |  | $ 92 |  | $ 477 | $ 2,032 | $ 477
Touchstone Bankshares, Inc [Member] |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | 2,673,640 |  |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  | $ 7,200 |  | $ 2,000 |

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