Revenues - Disaggregation of Net Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 105,650	$ 87,149
ZEJULA
Disaggregation of Revenue [Line Items]
Product revenue - net	49,529	45,501
VYVGART / VYVGART Hytrulo
Disaggregation of Revenue [Line Items]
Product revenue - net	18,105	13,162
NUZYRA
Disaggregation of Revenue [Line Items]
Product revenue - net	15,118	9,913
OPTUNE
Disaggregation of Revenue [Line Items]
Product revenue - net	11,363	12,480
QINLOCK
Disaggregation of Revenue [Line Items]
Product revenue - net	8,509	6,093
XACDURO
Disaggregation of Revenue [Line Items]
Product revenue - net	1,117	0
AUGTYRO
Disaggregation of Revenue [Line Items]
Product revenue - net	1,626	0
Other
Disaggregation of Revenue [Line Items]
Product revenue - net	$ 283	$ 0