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, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net loss	$ (4,407)	$ (62,412)	$ (45,863)	$ (42,393)	$ (66,819)	$ (88,256)
Net loss per share, basic	$ (0.05)		$ (0.61)		$ (0.77)	$ (1.2)
Net loss per share, diluted	$ (0.05)		$ (0.61)		$ (0.77)	$ (1.2)
Weighted-average number of common shares used in computing net loss per share, basic	87,121,310		74,964,878		86,864,545	73,478,567
Weighted-average number of common shares used in computing net loss per share, diluted	87,121,310		74,964,878		86,864,545	73,478,567