Note 18 - Net Income Per Share - Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net income available to stockholders	$ 25,887	$ 29,048
Weighted average shares outstanding - basic (in shares)	29,250	29,178
Dilutive securities (in shares)	111	187
Weighted average shares outstanding- diluted (in shares)	29,361	29,365
Net income per share - basic (in dollars per share)	$ 0.89	$ 1
Net income per share - diluted (in dollars per share)	$ 0.88	$ 0.99