Product Revenues, Net, Accounts Receivable, Net and Reserves for Product Revenues - Summary of Total Reserves Included in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Receivables, Net, Current [Abstract]
Reduction to accounts receivable	$ 58,684	$ 64,697
Component of accrued expenses	97,216	100,075
Total reserves	$ 155,900	$ 164,772	$ 95,292	$ 94,698