Description of Business - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 31, 2024	Dec. 11, 2023
Description Of Business [Line Items]
Net loss	$ 172,797	$ 162,956	$ 131,935
Accumulated deficit	(961,747)	(788,950)
Restricted cash	3,329	$ 3,311
Cash, cash equivalents, restricted cash and short-term investments	206,700
SLR Term Loan Facility
Description Of Business [Line Items]
Term Loan	$ 66,500
Line of credit, maximum borrowing capacity				$ 66,500	$ 250,000