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Note 4 - Loans - Schedule of Allowance For Credit Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Beginning balance | $ 38,563 | $ 33,991 | $ 35,863 | $ 34,440 | $ 34,440
Provision (credit) for credit losses | 1,501 | 6,807 | 5,109 | 7,932 |
Loans charged off | (869) | (5,116) | (2,315) | (7,059) |
Recoveries | 333 | 504 | 871 | 873 |
Total ending allowance balance | 39,528 | 36,186 | 39,528 | 36,186 | 35,863
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 21,627 | 17,223 | 19,259 | 18,150 | 18,150
Provision (credit) for credit losses | 1,428 | 6,226 | 3,840 | 5,427 |
Loans charged off | (75) | (4,401) | (141) | (4,547) |
Recoveries | 0 | 3 | 22 | 21 |
Total ending allowance balance | 22,980 | 19,051 | 22,980 | 19,051 | 19,259
Commercial Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 4,973 | 4,628 | 4,628 | 5,087 | 5,087
Provision (credit) for credit losses | (204) | (24) | 572 | 466 |
Loans charged off | (319) | (396) | (973) | (1,411) |
Recoveries | 176 | 407 | 399 | 473 |
Total ending allowance balance | 4,626 | 4,615 | 4,626 | 4,615 | 4,628
Residential Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 7,210 | 7,422 | 7,271 | 6,916 | 6,916
Provision (credit) for credit losses | 127 | 117 | 84 | 676 |
Loans charged off | (154) | 0 | (231) | (81) |
Recoveries | 25 | 10 | 84 | 38 |
Total ending allowance balance | 7,208 | 7,549 | 7,208 | 7,549 | 7,271
Consumer Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 4,753 | 4,718 | 4,705 | 4,287 | 4,287
Provision (credit) for credit losses | 150 | 488 | 613 | 1,363 |
Loans charged off | (321) | (319) | (970) | (1,020) |
Recoveries | 132 | 84 | 366 | 341 |
Total ending allowance balance | $ 4,714 | $ 4,971 | $ 4,714 | $ 4,971 | $ 4,705

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