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Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Deferred revenue contract liability $ 64.9   $ 71.8
Performance obligation timing We expect to recognize substantially all of these amounts in revenues within approximately 12 months.    
Deferred revenue recognized $ 18.0    
Maximum      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Derivative term of contract 1 year    
Sales Revenue      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Consolidated revenues, net (percent) 100.00% 100.00%  
Contracts with customers | Sales Revenue      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Consolidated revenues, net (percent) 80.00%