Intangible Assets - Amortization (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		10 Months Ended	12 Months Ended
	Jan. 09, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Nov. 07, 2018	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Useful life				5 years 6 months
Amortization expense recognized prior to third amendment				$ 126,340
Nucynta amortization expense included in cost of product revenues		$ 16,795	$ 3,688	27,090	$ 7,376		$ 14,752
2020		33,590		33,590
2021		67,181		67,181
2022		67,181		67,181
2023		67,181		67,181
2024		67,181		67,181
2025		67,180		67,180
Intangible assets, net		369,494		$ 369,494			29,503
Nucynta Products
Finite-Lived Intangible Assets [Line Items]
Useful life	4 years			5 years 10 months 24 days
Nucynta amortization expense included in cost of product revenues						$ 107,662		$ 2,172
Intangible assets, net		$ 369,494		$ 369,494			$ 29,503	$ 44,255