Discontinued Operations - Narrative (Details) - Sale - Commercial Product Portfolio	1 Months Ended
	Mar. 31, 2019 USD ($) product
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of products | product	7
Consideration	$ 158,800,000
Aggregate amount receivable based on achievement of milestones	140,000,000
Payments receivable based on achievement of regulatory milestones	40,000,000
Potential payments based on achievement of sales milestones	$ 100,000,000