Revenue - Disaggregation of Net Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 69,228	$ 56,963	$ 200,889	$ 150,633
ZEJULA
Disaggregation of Revenue [Line Items]
Product revenue - net	41,593	39,214	127,230	102,863
Optune
Disaggregation of Revenue [Line Items]
Product revenue - net	11,562	10,662	38,596	35,051
QINLOCK
Disaggregation of Revenue [Line Items]
Product revenue - net	5,702	5,541	14,535	9,123
NUZYRA
Disaggregation of Revenue [Line Items]
Product revenue - net	5,483	1,546	15,588	3,596
VYVGART
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 4,888	$ 0	$ 4,940	$ 0