Note 4 - Loans and the Allowance for Credit Losses - Reversal of Accrued Interest (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Interest income reversed | $ 364 | $ 7 | $ 378 | $ 46 |
| Commercial Portfolio Segment [Member] | Commercial Loans [Member] | ||||
| Interest income reversed | 6 | 0 | 10 | 4 |
| Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | ||||
| Interest income reversed | 339 | 0 | 340 | 0 |
| Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | ||||
| Interest income reversed | 4 | 0 | 4 | 14 |
| Residential Portfolio Segment [Member] | Real Estate Loan [Member] | ||||
| Interest income reversed | 1 | 0 | 1 | 9 |
| Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | ||||
| Interest income reversed | 10 | 0 | 15 | 10 |
| Consumer Portfolio Segment [Member] | Automobile Loan [Member] | ||||
| Interest income reversed | 4 | 7 | 7 | 9 |
| Consumer Portfolio Segment [Member] | Other Loans [Member] | ||||
| Interest income reversed | $ 0 | $ 0 | $ 1 | $ 0 |