Other Assets - Summary of Other Non-current Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Prepaid Expense and Other Assets, Noncurrent [Abstract]
Manufacturing-related deposits and prepaids	$ 83,479	$ 97,409
Strategic investments	31,000	31,321
Restricted cash	19,024	19,024
Intangible assets, net	18,018	7,578
Prepaid clinical expenses	2,196	2,150
Other	9,322	5,487
Total other non-current assets	$ 163,039	$ 162,969