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, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net loss - basic and diluted	$ (30,322)	$ (35,996)	$ (4,407)	$ (62,412)	$ (66,318)	$ (66,819)
Weighted-average number of common shares used in net loss per share - basic	103,069,154		87,121,310		102,890,506	86,864,545
Weighted-average number of common shares used in net loss per share - diluted	103,069,154		87,121,310		102,890,506	86,864,545
Net loss per share, basic	$ (0.29)		$ (0.05)		$ (0.64)	$ (0.77)
Net loss per share, diluted	$ (0.29)		$ (0.05)		$ (0.64)	$ (0.77)