Note 7 - Loan Servicing - Summary of Activity Related to Loan Servicing (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Fair value of servicing rights | $ 7,022 | $ 6,383 |
| Weighted-average remaining term, years (Year) | 21 years 1 month 6 days | 21 years 6 months |
| Prepayment speeds | 9.70% | 14.40% |
| Discount rate | 10.30% | 10.00% |
| X | ||||||||||
- Definition Discount rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Estimated rate of prepayment of principal on financial assets regardless of when the transfer occurred. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted-average life of financial asset and liability, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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