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		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net income	$ 34,024	$ 27,598	$ 67,295	$ 53,485
Weighted average shares outstanding - basic (in shares)	29,364	29,283	29,356	29,267
Dilutive securities (in shares)	141	100	147	105
Weighted average shares outstanding- diluted (in shares)	29,505	29,383	29,503	29,372
Net income per share - basic (in dollars per share)	$ 1.16	$ 0.94	$ 2.29	$ 1.83
Net income per share - diluted (in dollars per share)	$ 1.15	$ 0.94	$ 2.28	$ 1.82