Note 22 - Parent Company Financial Information - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Securities available for sale, at fair value	$ 608,062	$ 692,467
Other assets	51,478	36,384
Total assets	3,065,902	3,334,597	$ 3,050,010
Junior subordinated debt	28,334	28,232
Other liabilities	19,165	20,092
Shareholders' equity	321,174	354,792	$ 337,894	$ 320,258
Total Liabilities and Shareholders' Equity	3,065,902	3,334,597
Parent Company [Member]
Cash	3,906	10,560
Securities available for sale, at fair value	1,639	1,766
Investment in subsidiaries	342,013	372,902
Due from subsidiaries	152	128
Other assets	2,222	607
Total assets	349,932	385,963
Junior subordinated debt	28,334	28,232
Other liabilities	424	2,939
Shareholders' equity	321,174	354,792
Total Liabilities and Shareholders' Equity	$ 349,932	$ 385,963