Note 22 - Parent Company Financial Information - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Dividends	$ 464	$ 503	$ 451
Income Taxes	11,713	7,137	4,861
Net income	43,526	30,045	20,906
Parent Company [Member]
Dividends	16,000	25,500	25,000
Other income	411	512	823
Expenses	3,057	3,369	4,232
Income Taxes	(556)	(600)	(601)
Income before equity in undistributed earnings of subsidiary	13,910	23,243	22,192
Equity in undistributed (distributed) earnings of subsidiary	29,616	6,802	(1,286)
Net income	$ 43,526	$ 30,045	$ 20,906