Transactions - Asset Acquisitions (Details) - Accordion Health, Inc. $ in Millions	Jun. 08, 2017 USD ($)
Business Acquisition [Line Items]
Accordion purchase agreement, amount	$ 3.2
Accordion purchase agreement, contingent earn-out	0.8
Accordion purchase agreement, deferred tax liabilities	2.0
Technology Assets
Business Acquisition [Line Items]
Accordion purchase agreement, intangible assets acquired	3.3
Accordion purchase agreement, capitalized transaction costs	$ 0.1
Useful life	5 years