Note 20 - Interest Rate Swaps - Outstanding Undesignated Interest Rate Swap Contracts (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Receiving [Member]
Notional amount	$ 150,083	$ 123,983
Weighted average maturity (Year)	7 years 3 months 18 days	7 years 2 months 12 days
Fair value	$ 2,536	$ 3,148
Paying [Member]
Notional amount	$ 150,083	$ 123,983
Weighted average maturity (Year)	7 years 3 months 18 days	7 years 2 months 12 days
Fair value	$ 2,548	$ 3,162