Net Income (Loss) Per Share - Summary of Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net income (loss)	$ 76,296	$ (54,612)
Denominator:
Weighted-average common shares outstanding — basic	129,674	120,180
Net income (loss) per share — basic	$ 0.59	$ (0.45)
Common stock equivalents	10,654
Weighted-average common shares outstanding — diluted	140,328	120,180
Net income (loss) per share — diluted	$ 0.54	$ (0.45)