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Note 11 - Derivative Financial Instruments - Fair Value Hedges (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other Assets [Member] | Interest Rate Swap [Member]
Interest rate swaps	$ 34,028	$ 9,314
Interest rate swaps, Fair value	1,366	1,096
Customer interest rate swaps	34,028	9,314
Customer interest rate swaps, fair value	1,366	1,096
Other Assets [Member] | Customer Interest Rate Swaps [Member]
Interest rate swaps	11,373	0
Interest rate swaps, Fair value	199	0
Customer interest rate swaps	11,373	0
Customer interest rate swaps, fair value	$ 199	$ 0
Customer interest rate swaps, receive rate	7.33%	0.00%
Customer interest rate swaps, pay rate	5.62%	0.00%
Other Liabilities [Member] | Customer Interest Rate Swaps [Member]
Interest rate swaps	$ 11,373	$ 0
Customer interest rate swaps	$ 11,373	$ 0
Customer interest rate swaps, receive rate	5.62%	0.00%
Customer interest rate swaps, pay rate	7.33%	0.00%
Customer interest rate swaps, fair value	$ (199)	$ 0

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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