Note 10 - Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Year Ended December 31,
	2023		2022		2021
Numerator:
Net income	$	427,374	$	437,672	$	242,023
Denominator:
Weighted-average outstanding shares - basic		47,610		46,727		45,851
Effect of dilutive securities		1,161		1,631		2,038
Weighted-average outstanding shares - diluted		48,771		48,358		47,889
Net income per share:
Basic	$	8.98	$	9.37	$	5.28
Diluted	$	8.76	$	9.05	$	5.05