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, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net income available to stockholders	$ 27,598	$ 27,664	$ 53,485	$ 56,712
Weighted average shares outstanding - basic (in shares)	29,283	29,223	29,267	29,200
Dilutive securities (in shares)	100	117	105	153
Weighted average shares outstanding- diluted (in shares)	29,383	29,340	29,372	29,353
Net income per share - basic (in dollars per share)	$ 0.94	$ 0.95	$ 1.83	$ 1.94
Net income per share - diluted (in dollars per share)	$ 0.94	$ 0.94	$ 1.82	$ 1.93