Note 3 - Loans and Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|---|---|---|---|
| Recorded investment | $ 937,533 | $ 813,458 | |
| Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss | 9,265 | 8,470 | $ 7,930 |
| Residential Portfolio Segment [Member] | |||
| Recorded investment | 215,577 | 201,602 | |
| Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss | 1,946 | 2,010 | $ 2,018 |
| Residential Portfolio Segment [Member] | Real Estate [Member] | |||
| Recorded investment | 120 | 158 | |
| Residential Portfolio Segment [Member] | Other Pledged Collateral [Member] | |||
| Recorded investment | 0 | 0 | |
| Residential Portfolio Segment [Member] | Collateral Pledged [Member] | |||
| Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss | $ 8 | $ 52 |