Accrued Expenses - Summary of Accrued Expenses (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Payables and Accruals [Abstract]
Product revenue related reserves	$ 118,352	$ 109,157
Accrued income taxes	79,864	17,391
Accrued contract manufacturing costs	66,847	77,842
Accrued employee compensation costs	35,296	91,119
Accrued clinical and pre-clinical costs	27,461	26,849
Accrued professional fees	23,489	17,691
Accrued royalties	15,663	16,625
Accrued fixed assets	14,660	5,305
Other	10,018	11,534
Total accrued expenses	$ 391,650	$ 373,513