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Income Taxes - Schedule of Components of Income Tax Benefit (Provision) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current:      
Federal   $ 0.8  
Foreign $ (1.2) (0.2)  
Total current (1.2) 0.6  
Deferred:      
Federal 2.1 0.3 $ 1.0
State 0.4 0.6 (0.1)
Foreign 1.2 0.2  
Total deferred 3.7 1.1 0.9
Total benefit from income taxes $ 2.5 $ 1.7 $ 0.9