Note 8 - Fair Value Disclosures and Reporting and Fair Value Measurements (Details Textual) $ in Millions |
3 Months Ended | |
|---|---|---|
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2026 |
|
| Measurement Input, Appraised Value [Member] | Minimum [Member] | ||
| Collateral Dependent Loans, Measurement Input | 0.05 | |
| Measurement Input, Appraised Value [Member] | Maximum [Member] | ||
| Collateral Dependent Loans, Measurement Input | 0.10 | |
| Foreclosed Assets, Measurement Input | 0.10 | |
| Measurement Input, Market Trends and Selling and Commission Costs [Member] | Minimum [Member] | ||
| Foreclosed Assets, Measurement Input | 0.05 | |
| Corporate Debt Securities [Member] | ||
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | $ 54.5 |