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Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation Of Revenue [Line Items]
Total revenues	$ 496,009	$ 390,657	$ 888,920	$ 697,167
VIVITROL
Disaggregation Of Revenue [Line Items]
Total revenues	124,454	121,660	236,888	222,656
ARISTADA and ARISTADA INITIO
Disaggregation Of Revenue [Line Items]
Total revenues	96,719	101,295	190,543	174,770
LYBALVI
Disaggregation Of Revenue [Line Items]
Total revenues	93,979	84,280	186,343	154,302
LUMRYZ
Disaggregation Of Revenue [Line Items]
Total revenues	96,572		136,064
Product sales, net
Disaggregation Of Revenue [Line Items]
Total revenues	$ 411,724	$ 307,235	$ 749,838	$ 551,728

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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