Note 3 - Loans and Allowance for Credit Losses - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jan. 01, 2025 |
|---|---|---|---|
| Nonaccrual, No Allowance | $ 2,411 | $ 284 | |
| Non-Accrual | 2,411 | 284 | $ 0 |
| First Mortgage Loans [Member] | One To Four Family Residential [Member] | |||
| Nonaccrual, No Allowance | 2,411 | 284 | |
| Non-Accrual | 2,411 | 284 | 0 |
| First Mortgage Loans [Member] | Multifamily [Member] | |||
| Nonaccrual, No Allowance | 0 | 0 | |
| Non-Accrual | 0 | 0 | 0 |
| First Mortgage Loans [Member] | Commercial Real Estate [Member] | |||
| Nonaccrual, No Allowance | 0 | 0 | |
| Non-Accrual | 0 | 0 | 0 |
| First Mortgage Loans [Member] | Construction Loans [Member] | |||
| Nonaccrual, No Allowance | 0 | 0 | |
| Non-Accrual | 0 | 0 | 0 |
| Consumer Portfolio Segment [Member] | |||
| Nonaccrual, No Allowance | 0 | 0 | |
| Non-Accrual | $ 0 | $ 0 | $ 0 |