Net Loss per Share - Computation of Basic and Diluted Net Loss per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Loss Per Share
Net loss - basic and diluted	$ (118,513)	$ (85,474)	$ (88,441)
Weighted-average common shares outstanding:
Basic	54,149,059	53,653,564	50,718,765
Diluted	54,149,059	53,653,564	50,718,765
Net loss per share:
Basic	$ (2.19)	$ (1.59)	$ (1.74)
Diluted	$ (2.19)	$ (1.59)	$ (1.74)