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Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation Of Revenue [Line Items]
Total revenues	$ 378,143	$ 380,938	$ 1,127,646	$ 1,285,930
VIVITROL
Disaggregation Of Revenue [Line Items]
Total revenues	113,650	99,305	323,182	298,035
ARISTADA and ARISTADA INITIO
Disaggregation Of Revenue [Line Items]
Total revenues	84,652	81,834	249,571	244,320
LYBALVI
Disaggregation Of Revenue [Line Items]
Total revenues	74,697	50,683	203,055	135,671
Product sales, net
Disaggregation Of Revenue [Line Items]
Total revenues	$ 272,999	$ 231,822	$ 775,808	$ 678,026

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