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Stock-Based Compensation and Employee Benefit Plans - Restricted Stock Units (Additional Information) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Interest rate percentage 6.00%    
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated share-based compensation expense $ 141.3 $ 142.4 $ 1.3
Unrecognized stock-based compensation cost $ 52.0 $ 163.8  
Cost not yet recognized, period for recognition 1 year 1 month 6 days 9 months 18 days