Net Income (Loss) Per Share - Summary of Calculation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Numerator:
Net income (loss)	$ 68,935	$ 12,947	$ 218,698	$ (84,813)
Denominator:
Weighted-average common shares outstanding — basic	133,685	125,687	132,036	122,837
Net income (loss) per share — basic	$ 0.52	$ 0.10	$ 1.66	$ (0.69)
Common stock equivalents	8,601	10,982	9,557
Weighted-average common shares outstanding — diluted	142,286	136,669	141,593	122,837
Net income (loss) per share — diluted	$ 0.48	$ 0.09	$ 1.54	$ (0.69)