Product Revenues, Net, Accounts Receivable, Net and Reserves for Product Revenues - Summary of Total Reserves Included in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Receivables, Net, Current [Abstract]
Reduction to accounts receivable, net	$ 64,697	$ 25,914
Component of accrued expenses	100,075	68,784
Total reserves	$ 164,772	$ 94,698