Commitments and Contingencies (Details) $ in Thousands																1 Months Ended	3 Months Ended	18 Months Ended
	Mar. 11, 2022 stockholder	Mar. 09, 2022 stockholder	Mar. 07, 2022 stockholder	Mar. 05, 2022 case	Mar. 04, 2022 stockholder	Mar. 02, 2022 case	Feb. 28, 2022 stockholder case	Feb. 24, 2022 stockholder	Dec. 24, 2021 USD ($) case	Dec. 16, 2021 USD ($)	Sep. 11, 2020	Oct. 02, 2019	Aug. 29, 2019 judge	Mar. 24, 2015 patent	Feb. 11, 2015 patent	Oct. 31, 2019 lawsuit	Mar. 31, 2022 lawsuit case state	Apr. 30, 2017 patent lawsuit
Xtampza ER Litigation
Commitments and Contingencies
Number of patents listed in FDA Orange Book | patent															11
Stay period before FDA can issue a final approval unless it is terminated															30 months
Number of patents allegedly infringed | patent															5			2
Number of lawsuits filed | lawsuit																		2
PTAB duration for issuing decision												1 year
Statutory period of proceedings											18 months
Xtampza ER Litigation | Maximum
Commitments and Contingencies
PTAB extended duration for issuing decision												6 months
Xtampza ER Litigation, District of Delaware
Commitments and Contingencies
Stay period before FDA can issue a final approval unless it is terminated														30 months
Number of patents allegedly infringed | patent														3
Xtampza ER Litigation, District of Massachusetts
Commitments and Contingencies
Stay period before FDA can issue a final approval unless it is terminated														30 months
Number of patents allegedly infringed | patent														3
Opioid Litigation
Commitments and Contingencies
Number of lawsuits filed | lawsuit																	6
Number of lawsuits dismissed																	13
Number of lawsuits designated as representative cases | lawsuit																	0
Number of lawsuits designated as Track One case | lawsuit																	0
Litigation settlement, amount awarded to other party | $									$ 2,750
Claims settled									27
Opioid Litigation | Maximum
Commitments and Contingencies
Litigation settlement, amount awarded to other party | $									$ 2,750
Multi-District Litigation (MDL)
Commitments and Contingencies
Number of states filed cases | state																	3
Total number of cases brought primarily by states, cities, counties, and other local entities																	2,000
Number of lawsuits filed																2	21
Number of lawsuits currently stayed																	8
Number of lawsuits dismissed																	3
Opioid-Related Request and Subpoenas
Commitments and Contingencies
Agreed to pay attorney general | $										$ 185,000
Reimbursement of investigation cost of the attorney general | $										$ 65,000
BDSI Acquisition Litigation
Commitments and Contingencies
Number of additional cases filed				2		2	2
Number of demand letters received from purported stockholders | stockholder	4	4	3		4		3	3
Number of judge in panel | judge													3