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Earnings per Share - Additional Information (Details) - Executives - $ / shares
Dec. 01, 2020
Nov. 30, 2020
Performance shares    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares authorized for grant (in shares)   300,000
Number or shares issuable per performance share unit (in shares)   1
Fair value on grant date (in usd per share) $ 26.98  
Performance period 3 years  
Shares granted (in shares) 300,000  
Performance shares | Vesting after three-year performance period    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighting for each of four performance metrics (percent) 50.00%  
Performance shares | Vesting after three-year performance period | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting percentage 0.00%  
Performance shares | Vesting after three-year performance period | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting percentage 200.00%  
Restricted share units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares authorized for grant (in shares) 300,000  
Fair value on grant date (in usd per share) $ 26.98  
Vesting period 3 years