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Basis of Presentation and Summary of Significant Accounting Policies - Marketing (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Advertising expense $ 175.2 $ 129.1 $ 78.4