Note 6 - Allowance for Credit Losses - Nonaccrual (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Nonaccrual, no allowance | $ 3,012 | $ 438 |
| Nonaccrual, with allowance | 3,292 | 0 |
| Commercial Portfolio Segment [Member] | ||
| Nonaccrual, no allowance | 1,148 | 0 |
| Nonaccrual, with allowance | 498 | 0 |
| Commercial Real Estate Portfolio Segment [Member] | ||
| Nonaccrual, no allowance | 74 | 0 |
| Nonaccrual, with allowance | 2,200 | 0 |
| Residential Portfolio Segment [Member] | Real Estate Loan [Member] | ||
| Nonaccrual, no allowance | 1,727 | 420 |
| Nonaccrual, with allowance | 594 | 0 |
| Residential Portfolio Segment [Member] | Home Equity Loan [Member] | ||
| Nonaccrual, no allowance | 15 | 0 |
| Nonaccrual, with allowance | 0 | 0 |
| Consumer Portfolio Segment [Member] | Consumer, Other [Member] | ||
| Nonaccrual, no allowance | 6 | 0 |
| Nonaccrual, with allowance | 0 | 0 |
| Consumer Portfolio Segment [Member] | Automobile Loan [Member] | ||
| Nonaccrual, no allowance | 42 | 18 |
| Nonaccrual, with allowance | $ 0 | $ 0 |