Note 22 - Parent Company Financial Information - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Dividends	$ 473	$ 464	$ 503
Income Taxes	8,934	11,713	7,137
Net income	34,428	43,526	30,045
Parent Company [Member]
Dividends	16,000	16,000	25,500
Other income	146	411	512
Expenses	2,994	3,057	3,369
Income Taxes	(598)	(556)	(600)
Income before equity in undistributed earnings of subsidiary	13,750	13,910	23,243
Equity in undistributed earnings of subsidiary	20,678	29,616	6,802
Net income	$ 34,428	$ 43,526	$ 30,045