Note 7 - Loan Servicing - Summary of Activity Related to Loan Servicing (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2025 |
Dec. 31, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
|
| Fair value of servicing rights | $ 7,351 | $ 7,918 | $ 2,062 | $ 2,314 |
| Weighted-average remaining term, years (Year) | 21 years 10 months 24 days | 22 years | ||
| Prepayment speeds | 11.50% | 9.90% | ||
| Discount rate | 10.50% | 10.50% |