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Equity Incentive Program - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award    
Share-based Payment Arrangement, Expense $ 11,100,000 $ 3,500,000
SSARs    
Share-based Compensation Arrangement by Share-based Payment Award    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 0  
Stock Options    
Share-based Compensation Arrangement by Share-based Payment Award    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 5,000,000.0  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 1 year 9 months 18 days  
Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 28,900,000  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years  
Performance Shares    
Share-based Compensation Arrangement by Share-based Payment Award    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 16,900,000  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 1 year 10 months 24 days  
Minimum [Member] | Performance Shares    
Share-based Compensation Arrangement by Share-based Payment Award    
Percentage increase of initial grant value 0.00%  
Maximum [Member] | Performance Shares    
Share-based Compensation Arrangement by Share-based Payment Award    
Percentage increase of initial grant value 225.00%