Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation Of Revenue [Line Items]
Total revenues	$ 350,372	$ 287,595
VIVITROL
Disaggregation Of Revenue [Line Items]
Total revenues	97,659	96,659
ARISTADA and ARISTADA INITIO
Disaggregation Of Revenue [Line Items]
Total revenues	78,870	80,077
LYBALVI
Disaggregation Of Revenue [Line Items]
Total revenues	57,007	37,991
Product sales, net
Disaggregation Of Revenue [Line Items]
Total revenues	$ 233,536	$ 214,727