Note 16 - Net Income Per Share - Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net income available to stockholders	$ 114,539	$ 107,748	$ 92,972
Weighted average shares outstanding - basic (in shares)	29,288	29,212	28,672
Dilutive shares (in shares)	133	131	250
Weighted average shares outstanding - diluted (in shares)	29,421	29,343	28,922
Net income per share - basic (in dollars per share)	$ 3.91	$ 3.69	$ 3.24
Net income per share - diluted (in dollars per share)	$ 3.89	$ 3.67	$ 3.21