Net Loss Per Share - Summary of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share Basic And Diluted [Abstract]
Net loss	$ (115,089)	$ (310,459)	$ (65,807)	$ (77,189)	$ (425,548)	$ (142,996)
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, basic and diluted	138,075,210		136,507,177		137,667,419	136,002,344
Net loss per share attributable to common stockholders, basic and diluted	$ (0.83)		$ (0.48)		$ (3.09)	$ (1.05)