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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Apr. 01, 2019
Jan. 01, 2019
Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Payments to Noncontrolling Interests $ 31.1 $ 26.9      
Cumulative effect of an accounting change     $ (3.7) $ (0.7) $ 12.2
Retained Earnings (Accumulated deficit)          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Cumulative effect of an accounting change     $ (3.7) $ (0.7) $ 12.9