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Note 8 - FAIR VALUE - Changes In Fair Values of Trading Securities (Details) - Trading securities - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
FAIR VALUE |  |
Balance at the beginning of the period | $ 83,529 | $ 22,369
Paydowns | (40) |
Premium amortization | (235) | (130)
Fair value gain (loss) | $ (809) | $ 19
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Fair Value Gain Loss On Derivatives An Trading Securities | Fair Value Gain Loss On Derivatives An Trading Securities
Balance at the end of the period | $ 82,445 | $ 22,258

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- Definition Amount of premium amortization of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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