Other Liabilities - Performance Obligations (Details) $ in Millions	Dec. 31, 2021 USD ($)
Performance obligations
Remaining performance obligations	$ 22.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Performance obligations
Remaining performance obligations	$ 5.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Performance obligations
Remaining performance obligations	$ 9.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Performance obligations
Remaining performance obligations	$ 7.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Performance obligations
Remaining performance obligations	$ 1.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period