Note 12 - Fair Values - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands |
Mar. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Collateral dependent loans | $ 1,642 | $ 2,173 |
| Total | 1,642 | 2,173 |
| Fair Value, Inputs, Level 1 [Member] | ||
| Collateral dependent loans | 0 | 0 |
| Total | 0 | 0 |
| Fair Value, Inputs, Level 2 [Member] | ||
| Collateral dependent loans | 0 | 0 |
| Total | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | ||
| Collateral dependent loans | 1,642 | 2,173 |
| Total | $ 1,642 | $ 2,173 |