Commitments and Contingencies - Narrative (Details) $ in Thousands			3 Months Ended		9 Months Ended
	Nov. 06, 2019 defendant	Sep. 25, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Loss Contingencies [Line Items]
Operating lease, liability			$ 21,887		$ 21,887
Operating lease, right-of-use asset			$ 21,063		$ 21,063		$ 23,286
Weighted average remaining operating lease term			7 years 4 months 24 days		7 years 4 months 24 days
Weighted average operating lease discount rate			5.10%		5.10%
Lease cost			$ 1,200	$ 1,400	$ 3,800	$ 3,900
Operating cash outflows from operating leases					3,600	$ 4,200
Minimum purchase commitments			$ 25,900		$ 25,900
Amount of damages sought after by plaintiff		$ 50,000
Civil Case In Saginaw Chippewa Indian Tribe V. Purdue Pharma Et Al | Pending Litigation
Loss Contingencies [Line Items]
Number of other pharmaceutical companies named as defendants | defendant	40
Minimum
Loss Contingencies [Line Items]
Remaining operating lease term			1 year		1 year
Maximum
Loss Contingencies [Line Items]
Remaining operating lease term			8 years		8 years