XML 117 R95.htm IDEA: XBRL DOCUMENT v3.20.4
Share-Based and Other Compensation - Share-Based Compensation Grants (Details) - shares
1 Months Ended 2 Months Ended 12 Months Ended
Jan. 31, 2020
Feb. 01, 2019
Dec. 27, 2018
Feb. 14, 2018
Jan. 31, 2020
Feb. 28, 2019
Dec. 31, 2018
Feb. 28, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restricted Stock Units (RSUs) [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)         263,626            
Restricted Stock Units (RSUs) [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)     161,290     288,378   282,038      
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)     483,871                
Market measure-based Restricted Stock Units (RSUs) [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)         154,267            
Market measure-based Restricted Stock Units (RSUs) [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares) 154,267 143,396 80,647 158,205              
Market measure-based Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)     266,130                
Time-Based Restricted Stock Units (RSUs) [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)         109,359            
Time-Based Restricted Stock Units (RSUs) [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)     80,643     144,982   123,833     14,999
Forfeited in period (in shares)                 5,148 10,733  
Time-Based Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)     217,741                
Performance-Based RSUs [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Forfeited in period (in shares)                 12,263 24,353  
December 2018 Market-Based RSUs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)             346,777        
December 2018 Market-Based RSUs [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)           143,396   158,205      
Time-Based Restricted Stock Units (RSUs), 2018 Special Time-Based RSU Grant [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grants in period (in shares)     298,384                
Time-Based Restricted Stock Units (RSUs), 2018 Special Time-Based RSU Grant [Member] | Executive officer share-based compensation programs [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Forfeited in period (in shares)                 6,441 98,844