XML 114 R94.htm IDEA: XBRL DOCUMENT v3.22.0.1
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award    
Stock price assumption for maximum bonus pool eligibility (in dollars per share) $ 24.71  
Unrecognized compensation cost related to unvested share-based payments $ 37.5  
Unrecognized compensation cost, amortization period (in years) 2 years  
One-Time Retention Awards    
Share-based Compensation Arrangement by Share-based Payment Award    
Award performance period 4 years  
2010 Plan    
Share-based Compensation Arrangement by Share-based Payment Award    
Number of shares available for grant 7.2  
Existing and Newly Elected Board Member    
Share-based Compensation Arrangement by Share-based Payment Award    
Award vesting period (in years)   3 years
Employees    
Share-based Compensation Arrangement by Share-based Payment Award    
Award vesting period (in years)   3 years
Outperformance Program    
Share-based Compensation Arrangement by Share-based Payment Award    
Award vesting period (in years) 2 years  
Award vesting percentage 50.00%  
Outperformance Program | Tranche One    
Share-based Compensation Arrangement by Share-based Payment Award    
Award vesting period (in years) 3 years  
2020 PSU Plan    
Share-based Compensation Arrangement by Share-based Payment Award    
Post vesting period (in years) 2 years  
2020 PSU Plan | Tranche One    
Share-based Compensation Arrangement by Share-based Payment Award    
Award performance period 3 years  
2020 PSU Plan | Tranche Two    
Share-based Compensation Arrangement by Share-based Payment Award    
Award vesting period (in years) 3 years  
Award performance period 1 year