Other Assets - Summary of Other Non-current Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Prepaid Expense and Other Assets, Noncurrent [Abstract]
Manufacturing-related deposits and prepaids	$ 94,422	$ 97,409
Strategic investments	31,000	31,321
Restricted cash	19,024	19,024
Intangible assets, net	7,199	7,578
Prepaid clinical expenses	2,173	2,150
Other	8,569	5,487
Total other non-current assets	$ 162,387	$ 162,969