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Intangible Assets and Goodwill (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]      
Intangible assets $ 18.0   $ 18.4
Amortization expense related to intangibles 0.4 $ 0.1  
Goodwill $ 0.4   $ 0.4