Organization and Basis of Presentation (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) subsidiary	Sep. 30, 2018 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of wholly-owned subsidiaries | subsidiary			2
Remeasurement loss | $	$ 1.3	$ (0.4)	$ 3.4	$ (0.4)