Note 4 - Allowance for Credit Losses on Loans (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|||
| Financing Receivable, Accrued Interest, after Allowance for Credit Loss | $ 8,700 | $ 8,700 | $ 8,200 | ||||
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) | [1] | 2,461 | $ 891 | 3,894 | $ 891 | ||
| Unused Commitments to Extend Credit | 734 | 0 | 734 | 0 | |||
| Special Mention [Member] | |||||||
| Increase (Decrease) in Finance Receivables | 37,200 | ||||||
| Unfunded Loan Commitment [Member] | |||||||
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) | $ 328 | $ 34 | 340 | $ 34 | |||
| Non-owner-occupies Real Estate [Member] | Special Mention [Member] | |||||||
| Increase (Decrease) in Finance Receivables | $ 29,000 | ||||||
| |||||||