Discontinued Operations - Additional Information (Details) - Commercial Product Portfolio - Sale $ in Millions	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
Upfront payment expected to be received	$ 158.8
Aggregate amount receivable based on achievement of milestones	140.0
Payments receivable based on achievement of regulatory milestones	40.0
Potential payments based on achievement of sales milestones	$ 100.0