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Property and Equipment Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Property, Plant and Equipment [Abstract]        
Depreciation and amortization expense related to property and equipment $ 9.2 $ 6.9 $ 27.7 $ 19.4