Commitments and Contingencies (Details)											1 Months Ended
	Nov. 06, 2019 lawsuit	Oct. 18, 2019 lawsuit	Oct. 02, 2019	Oct. 16, 2018 lawsuit	Sep. 26, 2018 lawsuit	Jul. 12, 2018 lawsuit	May 04, 2018 lawsuit	Jan. 16, 2018 patent	Mar. 24, 2015 patent	Feb. 11, 2015 patent	Oct. 31, 2019 lawsuit	Mar. 31, 2019 lawsuit item	Sep. 30, 2020 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
PTAB duration for issuing decision			1 year
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					30 months
Number of patents allegedly infringed | patent								5
Number of patents found not infringed | patent									3
Number of suits that are associated with any 30-month stay of FDA approval				0
Opioid Litigation
Commitments and Contingencies
Number of counties filed lawsuits		3
Number of lawsuits filed		3			2	4	2				2	3
Number of lawsuits dismissed	4
Number of lawsuits designated as representative cases													0
Number of lawsuits designated as Track One case													0
Number of payor groups | item												2