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v3.26.1

Note 3 - Investment Securities (Details Textual) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($) | Dec. 31, 2025 USD ($)
Proceeds from Sale of Debt Securities, Available-for-Sale | $ 4,873,000 | $ 23,948,000 | $ 4,873,000 | $ 27,315,000 |
Debt Securities, Available-for-Sale, Realized Gain | 0 | 93,000 | 0 | 93,000 |
Debt Securities, Available-for-Sale, Realized Loss | $ 112,000 | $ 129,000 | $ 112,000 | $ 182,000 |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 166 |  | 166 |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 249,414,000 |  | $ 249,414,000 |  | $ 57,763,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 3,148,000 |  | $ 3,148,000 |  | 138,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 315 |  | 315 |  |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 255,399,000 |  | $ 255,399,000 |  | 301,152,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 26,065,000 |  | 26,065,000 |  | 25,276,000
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest | 0 |  | 0 |  | 0
Asset Pledged as Collateral [Member] | Public Deposits or Other Purposes [Member] |  |  |  |  |
Debt Securities | $ 90,604,000 |  | $ 90,604,000 |  | $ 95,479,000

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