Net Income Per Share - Schedule of Computation of Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income	$ 22,797	$ 23,465
Denominator:
Weighted-average shares used to compute basic net income per share (in shares)	106,012	116,818
Dilutive effect of employee stock options (in shares)	9,025	12,850
Weighted-average shares used to compute diluted net income per share (in shares)	115,037	129,668
Net income per share
Basic (in dollars per share)	$ 0.22	$ 0.20
Diluted (in dollars per share)	$ 0.20	$ 0.18