Note 4 - Mortgage Servicing Rights - Valuation Assumptions (Details) - Mortgage Servicing Rights [Member] - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Aggregate portfolio principal balance | $ 1,706,939 | $ 1,673,501 |
| Weighted average rate of loans in MSRs portfolio | 4.50% | 4.40% |
| Fair value MSRs | $ 23,202 | $ 21,800 |
| Weighted average life in years (Year) | 7 years 10 months 24 days | 7 years 8 months 12 days |
| Weighted average constant prepayment rate | 7.90% | 8.50% |
| Decline in fair value from 10% adverse change (prepayment) | $ 761 | $ 736 |
| Decline in fair value from 20% adverse change (prepayment) | $ 1,185 | $ 1,253 |
| Effective discount rate | 9.10% | 9.10% |
| Decline in fair value from 10% adverse change (discount rate) | $ 970 | $ 899 |
| Decline in fair value from 20% adverse change (discount rate) | $ 1,868 | $ 1,730 |
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- Definition The face amount of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The hypothetical financial impact of a 10 percent adverse change of the discount rate on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The hypothetical financial impact of a 10 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The hypothetical financial impact of a 20 percent adverse change of the discount rate on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The hypothetical financial impact of a 20 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Discount rate used to estimate the fair value of servicing assets and servicing liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Estimated rate of prepayments of principal on servicing assets and servicing liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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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- Details
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