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Note 4 - Mortgage Servicing Rights (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Activities in Mortgage Servicing Rights [Table Text Block] |
|  | As of or For the |
|  | Three Months Ended |
|  | March 31, |
|  | 2026 |  |  | 2025 |
|  | (In Thousands) |
Mortgage servicing rights: |  |  |  |  |  |  |  |
Beginning balance |  | $ | 15,043 |  |  | $ | 15,376 |
Mortgage servicing rights capitalized |  |  | 486 |  |  |  | 271 |
Amortization of mortgage servicing rights |  |  | (620 | ) |  |  | (365 | )
Mortgage servicing rights, net |  | $ | 14,909 |  |  | $ | 15,282 |
Mortgage Servicing Rights [Member] |
Notes Tables |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
|  | March 31, |  |  | December 31, |
|  | 2026 |  |  | 2025 |
Key assumptions: |  |  |  |  |  |  |  |
Discount rate |  |  | 12 | % |  |  | 12 | %
Prepayment speed range |  |  | 94 - 279 | % |  |  | 90 - 211 | %
Weighted average prepayment speed |  |  | 127 | % |  |  | 119 | %

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