Net Income (Loss) Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator
Net income (loss)	$ 100,960	$ 103,217	$ (8,394)
Denominator
Basic	93,260	86,256	76,223
Effect of dilutive securities	6,744	4,321
Weighted-average shares used to compute net income (loss) per share, diluted	100,004	90,577	76,223
Net income (loss) per share:
Basic	$ 1.08	$ 1.20	$ 0.11
Diluted	$ 1.01	$ 1.14	$ 0.11
Anti-dilutive potential common shares	927	1,605	8,091