Legal Proceedings (Details) $ in Thousands, shares in Millions						6 Months Ended	12 Months Ended
	Nov. 14, 2019 USD ($)	Aug. 16, 2019 USD ($)	Jul. 30, 2019 USD ($) shares	Feb. 20, 2019 USD ($)	Sep. 05, 2018 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Loss Contingencies [Line Items]
Payment as percentage of excess EBITDA			33.30%
EBITDA net leverage ratio			3.0
Contingent value rights, minimum cash cushion			$ 100,000
Current portion of accrued legal fees and contingencies							$ 23,673	$ 52,413
Change in accrued professional fees							(4,260)	(24,120)	$ (21,492)
Akorn, Inc v. Fresenius
Loss Contingencies [Line Items]
Damages sought	$ 117,000	$ 123,000		$ 102,000
Date Integrity Securities Litigation. First Occurrence
Loss Contingencies [Line Items]
Damages sought			$ 30,000		$ 1,070,000
Loss contingency, shares | shares			6.5
Aggregate cap per year			$ 12,000
Aggregate cap per term			$ 60,000
Date Integrity Securities Litigation, Second Occurrence [Member]
Loss Contingencies [Line Items]
Damages sought					$ 613,000
State of Louisiana v. Hi-Tech, et. al
Loss Contingencies [Line Items]
Aggregate cap per term						$ 60,000
Loss contingency accrual						30,000		20,500
Insurance settlements receivable						30,000	8,800	$ 8,800
Loss contingency, damages paid, value						74,000	24,000
Loss contingency accrual, payments						30,000
Loss contingency, shares, value						8,500
Current portion of accrued legal fees and contingencies						$ 35,500
Loss contingency, effect of 10% change in common stock price on reserve estimate							1,300
Change in accrued professional fees							(31,000)
Reserve for losses							$ 43,000