Revenue Recognition - Summarize Activity of the Net Product Revenue Allowance and Reserve Categories (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	$ 113,241	$ 191,521
Provision related to current period sales	186,009	190,711
Provision related to prior period sales	(445)	(5,482)
Credits/payments made for current period sales	(98,200)	(121,001)
Credits/payments made for prior period sales	(105,208)	(89,361)
Ending balance	95,397	166,388
Trade Allowances
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	9,433	44,626
Provision related to current period sales	16,627	22,313
Credits/payments made for current period sales	(6,461)	(11,534)
Credits/payments made for prior period sales	(9,082)	(36,485)
Ending balance	10,517	18,920
Rebates, Chargebacks and Discounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	97,526	136,093
Provision related to current period sales	164,873	162,858
Provision related to prior period sales	(445)	(5,589)
Credits/payments made for current period sales	(88,769)	(105,542)
Credits/payments made for prior period sales	(93,205)	(51,460)
Ending balance	79,980	136,360
Product Returns
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	4,734	8,746
Provision related to current period sales	378	532
Credits/payments made for current period sales	(50)
Credits/payments made for prior period sales	(1,276)	(577)
Ending balance	3,786	8,701
Other Incentives
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	1,548	2,056
Provision related to current period sales	4,131	5,008
Provision related to prior period sales		107
Credits/payments made for current period sales	(2,920)	(3,925)
Credits/payments made for prior period sales	(1,645)	(839)
Ending balance	$ 1,114	$ 2,407