Note 17 - Earnings Per Share - Earnings Per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net income	$ 79,201	$ 52,170	$ 45,847
Basic (in shares)	24,822,004	25,243,397	25,459,514
Common Share equivalents (in shares)	505,087	552,611	652,390
Diluted (in shares)	25,327,091	25,796,008	26,111,904
Basic earnings per share (in dollars per share)	$ 3.19	$ 2.07	$ 1.8
Diluted earnings per share (in dollars per share)	$ 3.13	$ 2.02	$ 1.76