Leases - Schedule of Components of Lease Expense (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Sublease income	$ 0.2	$ 0.9	$ 0.2	$ 1.7