Note 10 - Fair Value of Financial Instruments - Financial Assets and Liabilities, Valuation Techniques and Significant Unobservable Inputs (Details) |
Jun. 30, 2025 |
|---|---|
| Minimum [Member] | Valuation, Market Approach [Member] | Measurement Input, Discount Rate [Member] | |
| Collateral-dependent loans individually evaluated | 0.10 |
| Real estate and other repossessed assets, input | 0.10 |
| Minimum [Member] | Valuation, Income Approach [Member] | Measurement Input, Pull-through Expectations [Member] | |
| Interest rate lock commitments, input | 0.85 |
| Maximum [Member] | Valuation, Market Approach [Member] | Measurement Input, Discount Rate [Member] | |
| Collateral-dependent loans individually evaluated | 0.30 |
| Real estate and other repossessed assets, input | 0.30 |
| Maximum [Member] | Valuation, Income Approach [Member] | Measurement Input, Pull-through Expectations [Member] | |
| Interest rate lock commitments, input | 0.96 |