Revenue Recognition - Remaining Performance Obligation (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Revenue from Contract with Customer [Abstract]
Contracts expected duration	one year
Aggregate transaction price allocated to performance obligations	$ 173.5	$ 132.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Aggregate transaction price allocated to performance obligations	173.5	$ 132.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-07-01
Revenue from Contract with Customer [Abstract]
Aggregate transaction price allocated to performance obligations	$ 162.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected duration	12 months
Aggregate transaction price allocated to performance obligations	$ 162.9