OTHER ASSETS - Summary of Other Current Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]
Manufacturing-related deposits and prepaids	$ 72,352	$ 93,656
Collaboration receivable	21,941	18,647
Prepaid clinical and pre-clinical expenses	12,287	12,667
Prepaid maintenance services	10,056	8,452
Prepaid research expenses	1,818	3,082
Prepaid insurance	1,231	5,282
Other	11,059	7,242
Total other current assets	$ 130,744	$ 149,028