Product Revenue - Schedule of Net Product Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Revenues
Product revenue – net	$ 1,513,438	$ 1,117,279
Product revenue
Revenues
Product revenue – gross	1,893,489	1,400,066
Less: rebates and sales returns	(406,160)	(291,536)
Product revenue – net	1,487,329	1,108,530
Product revenue \| BRUKINSA
Revenues
Product revenue – net	1,094,843	791,664
Product revenue \| TEVIMBRA
Revenues
Product revenue – net	206,241	171,164
Product revenue \| XGEVA
Revenues
Product revenue – net	89,920	70,423
Product revenue \| BLINCYTO
Revenues
Product revenue – net	34,035	23,906
Product revenue \| KYPROLIS
Revenues
Product revenue – net	16,971	19,728
Product revenue \| POBEVCY
Revenues
Product revenue – net	12,127	13,745
Product revenue \| Other
Revenues
Product revenue – net	$ 33,192	$ 17,900

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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