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Revenue Performance Obligations (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2018
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Contract with Customer, Liability, Revenue Recognized $ 0.1        
Subsequent Event [Member]          
Contract with Customer, Liability, Revenue Recognized   $ 0.4 $ 0.1 $ 0.2 $ 0.3