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Note 10 - Derivative Financial Instruments - Fair Value Hedges (Details) - Interest Rate Swap [Member] - Designated as Hedging Instrument [Member] - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Other Assets [Member]    
Interest rate swaps $ 8,831 $ 8,930
Derivative financial instruments 1,027 891
Other Liabilities [Member]    
Interest rate swaps 25,000 25,000
Interest rate swaps, Fair value $ (62) $ (411)