Revenue - Disaggregation of Net Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 56,963	$ 43,103	$ 150,633	$ 100,141
ZEJULA
Disaggregation of Revenue [Line Items]
Product revenue - net	39,214	28,162	102,863	64,134
Optune
Disaggregation of Revenue [Line Items]
Product revenue - net	10,662	10,653	35,051	27,318
QINLOCK
Disaggregation of Revenue [Line Items]
Product revenue - net	5,541	4,288	9,123	8,689
NUZYRA
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 1,546	$ 0	$ 3,596	$ 0