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Note 11 - Fair Value Measurements - Schedule of Financial Assets on a Non-recurring Basis (Details) - Mortgage Servicing Rights [Member] - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
MSRs | $ 20,315 | $ 38,163
Fair Value, Inputs, Level 1 [Member] |  |
MSRs | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
MSRs | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
MSRs | $ 20,315 | $ 38,163

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