Goodwill and Intangible Assets - Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 37,501	$ 16,795	$ 56,424	$ 33,590
Nucynta Products
Finite-Lived Intangible Assets [Line Items]
Amortization expense	16,796	$ 16,795	33,591	$ 33,590
Belbuca
Finite-Lived Intangible Assets [Line Items]
Amortization expense	18,796		20,733
Symproic
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1,821		2,003
Elyxyb
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 88		$ 97