Revenue Recognition (Remaining Performance Obligations Narrative) (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
$ in Millions
Dec. 31, 2021
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation $ 0.5
Remaining performance obligation, expected timing of satisfaction, period 12 months