Note 13 - Fair Value - Quantitative Information for Assets Measured at Fair Value on Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - Measurement Input, Discount Rate [Member] - Valuation, Market Approach [Member] |
Jun. 30, 2026 |
|---|---|
| Collateral dependent assets with specific reserves | 0 |
| Weighted Average [Member] | |
| Collateral dependent assets with specific reserves | 0 |
| OREO | 0.51 |
| Minimum [Member] | |
| OREO | 0.51 |
| Maximum [Member] | |
| OREO | 0.52 |