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		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net income available to stockholders	$ 28,455	$ 23,162	$ 63,155	$ 50,056
Weighted average shares outstanding - basic (in shares)	29,144	26,485	28,509	24,360
Dilutive securities (in shares)	260	241	243	242
Weighted average shares outstanding- diluted (in shares)	29,404	26,726	28,752	24,602
Net income per common share, basic (in dollars per share)	$ 0.98	$ 0.87	$ 2.22	$ 2.05
Net income per common share, diluted (in dollars per share)	$ 0.97	$ 0.87	$ 2.20	$ 2.03