Revenue Recognition - Summarize Activity of the Net Product Revenue Allowance and Reserve Categories (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	$ 171,501	$ 191,521
Provision related to current period sales	463,359	391,594
Provision related to prior period sales	(2,111)	(7,311)
Credits/payments made for current period sales	(321,483)	(289,790)
Credits/payments made for prior period sales	(155,880)	(115,458)
Ending balance	155,386	170,556
Trade Allowances
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	18,834	44,626
Provision related to current period sales	43,239	44,069
Credits/payments made for current period sales	(24,557)	(24,778)
Credits/payments made for prior period sales	(18,169)	(42,389)
Ending balance	19,347	21,528
Rebates, Chargebacks and Discounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	143,033	136,093
Provision related to current period sales	413,252	337,129
Provision related to prior period sales	(2,111)	(7,168)
Credits/payments made for current period sales	(292,412)	(256,492)
Credits/payments made for prior period sales	(133,453)	(70,842)
Ending balance	128,309	138,720
Product Returns
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	7,732	8,746
Provision related to current period sales	1,003	1,059
Provision related to prior period sales		(250)
Credits/payments made for current period sales	(74)
Credits/payments made for prior period sales	(2,272)	(1,219)
Ending balance	6,389	8,336
Other Incentives
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning balance	1,902	2,056
Provision related to current period sales	5,865	9,337
Provision related to prior period sales		107
Credits/payments made for current period sales	(4,440)	(8,520)
Credits/payments made for prior period sales	(1,986)	(1,008)
Ending balance	$ 1,341	$ 1,972