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Note 11 - Acquisition (Details Textual) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 01, 2024 USD ($) shares | Jun. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Business Combination, Acquisition-Related Cost, Expense |  | $ 92 |  | $ 477 | $ 2,032 | $ 477 |  |  |
Amortization of Intangible Assets |  | 441 |  | 5 | 883 | 9 |  |  |
Touchstone Bankshares, Inc [Member] |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Issued Per Share Outstanding | 0.55 |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares | 2,673,640 |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $ 46,789 |  |  |  |  |  |  |  |
Business Combination, Number of Branches Acquired | 12 |  |  |  |  |  |  |  |
Business Combination, Bargain Purchase, Gain Recognized, Amount | $ 2,920 |  |  |  |  |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  | $ 7,200 |  | 2,000 |  |  |  |
Finite-Lived Intangible Assets, Net |  | 14,102 | 14,985 | 108 | 14,102 | 108 | $ 14,543 | $ 113 | $ 117
Amortization of Intangible Assets |  | $ 441 |  | $ 5 | $ 883 | $ 9 |  |  |
Touchstone Bankshares, Inc [Member] | Core Deposits [Member] |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) | 7 years |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Net |  |  | $ 15,300 |  |  |  |  |  |

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