Organization and Basis of Presentation (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) wholly-ownedSubsidiary	Jun. 30, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of wholly-owned subsidiaries | wholly-ownedSubsidiary			2
Remeasurement loss | $	$ 0.5	$ 1.2	$ 1.9	$ 2.1