Note 24 - Leases - Balance Sheet, Income Statement, and Cash Flow Detail Regarding Operating Leases (Details) - USD ($) $ in Thousands	6 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Weighted average remaining lease term (years) (Year)	9 years 3 months 18 days		9 years 3 months 18 days		9 years
Weighted average discount rate	2.70%		2.70%		2.57%
One year or less	$ 872		$ 872		$ 3,453
Year two	3,345		3,345		3,293
Year three	2,676		2,676		2,739
Year four	2,168		2,168		2,339
Year five	2,018		2,018		2,245
Greater than five years	10,496		10,496		9,559
Total lease payments	21,575		21,575		23,628
Less imputed interest	2,628		2,628		2,620
Operating lease cost	815	$ 793	2,492	$ 2,241
Variable lease cost	96	57	235	172
Less sublease income	25	24	75	72
Total lease cost	886	$ 826	2,652	2,341
Cash paid for operating lease liabilities			3,111	$ 2,746
Premises and Equipment, Net [Member]
Operating lease right-of-use asset	17,720		17,720		19,694
Other Liabilities [Member]
Operating lease liability	$ 18,947		$ 18,947		$ 21,008