Revenue - Disaggregation of Net Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 68,864	$ 47,575	$ 131,661	$ 93,670
ZEJULA
Disaggregation of Revenue [Line Items]
Product revenue - net	42,957	34,052	85,637	63,649
Optune
Disaggregation of Revenue [Line Items]
Product revenue - net	13,692	11,592	27,034	24,389
QINLOCK
Disaggregation of Revenue [Line Items]
Product revenue - net	7,527	623	8,833	3,582
NUZYRA
Disaggregation of Revenue [Line Items]
Product revenue - net	4,636	1,308	10,105	2,050
VYVGART
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 52	$ 0	$ 52	$ 0