Revenue from Contracts with Customers - Narrative (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Practical expedient incremental cost	true
Returns policy, threshold product return period	18 months
Returns policy, threshold product return period prior to expiration	6 months
Returns policy, threshold product return period after expiration	12 months
Maximum percentage of value of actual returned product to product returns claimed		20.00%
Xtampza and Nucynta Products
Disaggregation of Revenue [Line Items]
Returns policy, threshold product return period	18 months
Minimum
Disaggregation of Revenue [Line Items]
Term of payment received	30 days
Maximum
Disaggregation of Revenue [Line Items]
Term of payment received	90 days