Note 4 - Loans, Allowance for Credit Losses and Other Real Estate Owned - Allowance for Loan Losses (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Balance at beginning of period | $ 11,151 | $ 13,914 | $ 11,573 | $ 14,780 | $ 14,780 |
| Provision (reversal) | 0 | (0) | (300) | 550 | |
| Chargeoffs | (855) | (952) | (1,646) | (2,678) | |
| Recoveries | 494 | 825 | 1,163 | 2,235 | |
| Total allowance for credit losses | 10,790 | 13,787 | 10,790 | 13,787 | 11,573 |
| Commercial Portfolio Segment [Member] | |||||
| Balance at beginning of period | 3,447 | 4,411 | 4,048 | 4,197 | 4,197 |
| Provision (reversal) | (159) | 1,157 | (840) | 1,116 | |
| Chargeoffs | (108) | (28) | (108) | (38) | (1,597) |
| Recoveries | 12 | 9 | 92 | 274 | |
| Total allowance for credit losses | 3,192 | 5,549 | 3,192 | 5,549 | 4,048 |
| Commercial Real Estate Portfolio Segment [Member] | |||||
| Balance at beginning of period | 5,821 | 6,165 | 6,109 | 6,034 | 6,034 |
| Provision (reversal) | (166) | (5) | (473) | 304 | |
| Chargeoffs | 0 | 0 | 0 | (191) | (191) |
| Recoveries | 19 | 14 | 38 | 27 | |
| Total allowance for credit losses | 5,674 | 6,174 | 5,674 | 6,174 | 6,109 |
| Residential Portfolio Segment [Member] | |||||
| Balance at beginning of period | 24 | 26 | 22 | 22 | 22 |
| Provision (reversal) | 1 | (2) | 3 | 2 | |
| Chargeoffs | 0 | 0 | 0 | 0 | 0 |
| Recoveries | 0 | 0 | 0 | 0 | |
| Total allowance for credit losses | 25 | 24 | 25 | 24 | 22 |
| Consumer Portfolio Segment [Member] | |||||
| Balance at beginning of period | 1,859 | 3,065 | 1,394 | 4,280 | 4,280 |
| Provision (reversal) | 324 | 903 | 1,010 | 1,725 | |
| Chargeoffs | (747) | (924) | (1,538) | (2,449) | (4,100) |
| Recoveries | 463 | 802 | 1,033 | 1,934 | |
| Total allowance for credit losses | $ 1,899 | 2,040 | $ 1,899 | 2,040 | 1,394 |
| Construction Portfolio Segment [Member] | |||||
| Balance at beginning of period | 247 | 247 | $ 247 | ||
| Provision (reversal) | (247) | (247) | |||
| Chargeoffs | 0 | 0 | |||
| Recoveries | 0 | 0 | |||
| Total allowance for credit losses | $ 0 | $ 0 | |||