Income Taxes - Schedule of Components of Income (Loss) Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Foreign	$ 247	$ 892	$ (30,052)
U.S.	(143,023)	(165,814)	(93,768)
Loss before income taxes	$ (142,776)	$ (164,922)	$ (123,820)