Net Loss Per Share - Computation of Basic and Diluted Net Loss per Share of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net loss	$ (59,093)	$ (54,417)	$ (221,121)	$ (161,789)
Weighted-average shares used to compute net loss per share, basic (in shares)	123,576	120,164	122,799	119,050
Weighted-average shares used to compute net loss per share, diluted (in shares)	123,576	120,164	122,799	119,050
Net loss per share, basic (in usd per share)	$ (0.48)	$ (0.45)	$ (1.80)	$ (1.36)
Net loss per share, diluted (in usd per share)	$ (0.48)	$ (0.45)	$ (1.80)	$ (1.36)