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Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue from Contracts with Customers
Total product revenues, net	$ 188,000	$ 145,276	$ 365,757	$ 290,199
Belbuca
Revenue from Contracts with Customers
Total product revenues, net	52,600	52,198	104,258	102,861
Xtampza ER
Revenue from Contracts with Customers
Total product revenues, net	52,605	44,571	100,247	90,384
Jornay PM
Revenue from Contracts with Customers
Total product revenues, net	32,626		61,165
Nucynta IR
Revenue from Contracts with Customers
Total product revenues, net	26,501	25,203	53,918	51,163
Nucynta ER
Revenue from Contracts with Customers
Total product revenues, net	19,946	19,272	39,632	38,458
Symproic
Revenue from Contracts with Customers
Total product revenues, net	$ 3,722	$ 4,032	$ 6,537	$ 7,333

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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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