Note 20 - Derivative Financial Instruments - Outstanding Undesignated Interest Rate Swap Contracts (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Receiving [Member]
Notional amount	$ 200,074	$ 201,555
Weighted average maturity (Year)	5 years 8 months 12 days	6 years
Fair value	$ 7,735	$ 5,133
Paying [Member]
Notional amount	$ 200,074	$ 201,555
Weighted average maturity (Year)	5 years 8 months 12 days	6 years
Fair value	$ 7,743	$ 5,142