Revenue - Disaggregation of Net Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 47,575	$ 36,935	$ 93,670	$ 57,038
ZEJULA
Disaggregation of Revenue [Line Items]
Product revenue - net	34,052	23,366	63,649	35,972
Optune
Disaggregation of Revenue [Line Items]
Product revenue - net	11,592	9,535	24,389	16,665
QINLOCK
Disaggregation of Revenue [Line Items]
Product revenue - net	623	4,034	3,582	4,401
NUZYRA
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 1,308	$ 0	$ 2,050	$ 0