Net Loss Per Share - Summary of Basic and Diluted Net Loss Per Share Attributable to Common Shareholders/Stockholders (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net loss	$ (36,530)	$ (15,473)	$ (64,277)	$ (31,575)
Net loss attributable to redeemable convertible noncontrolling interests	0	(1,191)	0	(2,109)
Exchange of redeemable noncontrolling interest shares - deemed dividend	0	(99,994)		(99,994)
Net loss attributable to common stockholders/members	$ (36,530)	$ (114,276)	$ (64,277)	$ (129,460)
Net loss per share, Basic	$ (0.60)	$ (5.04)	$ (1.08)	$ (10.81)
Net loss per share, Diluted	$ (0.60)	$ (5.04)	$ (1.08)	$ (10.81)
Weighted-average number of common shares used in computing net loss per share, basic	60,760,527	22,661,889	59,586,529	11,976,577
Weighted-average number of common shares used in computing net loss per share, Diluted	60,760,527	22,661,889	59,586,529	11,976,577