Revenues - Schedule of Disaggregation of Net Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 107,648	$ 115,361	$ 308,955	$ 330,095
ZEJULA
Disaggregation of Revenue [Line Items]
Product revenue - net	32,284	42,432	94,330	133,002
VYVGART / VYVGART Hytrulo
Disaggregation of Revenue [Line Items]
Product revenue - net	24,071	27,727	65,488	72,329
NUZYRA
Disaggregation of Revenue [Line Items]
Product revenue - net	21,089	15,430	54,448	44,840
OPTUNE
Disaggregation of Revenue [Line Items]
Product revenue - net	7,821	12,657	32,093	36,375
QINLOCK
Disaggregation of Revenue [Line Items]
Product revenue - net	8,829	8,901	27,404	25,946
XACDURO
Disaggregation of Revenue [Line Items]
Product revenue - net	8,421	6,445	24,950	12,184
AUGTYRO
Disaggregation of Revenue [Line Items]
Product revenue - net	2,822	1,677	6,827	4,702
KarXT
Disaggregation of Revenue [Line Items]
Product revenue - net	2,015	0	2,567	0
Other
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 296	$ 92	$ 848	$ 717