Note 22 - Dividend Reinvestment Plan (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Stock Issued During Period, Shares, Dividend Reinvestment Plan (in shares)	93,182	86,501	84,011
Stock Issued During Period, Value, Dividend Reinvestment Plan	$ 3,491	$ 3,719	$ 3,563