XML 83 R67.htm IDEA: XBRL DOCUMENT v3.22.0.1
Share-Based Compensation Plans (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended 19 Months Ended
May 31, 2018
May 31, 2016
May 31, 2013
Apr. 30, 2005
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2021
May 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation vested in period, fair value         $ 9,637 $ 5,288 $ 12,376    
Excess tax benefit realized from vesting of restricted Common Shares         $ 563 $ 46 $ 1,289    
Time Based Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common shares, forfeited or cancelled         (95,241) (37,123)      
Weighted average grant date fair value, granted         $ 35.13 $ 17.78 $ 30.01    
Unrecognized compensation expense         $ 4,486     $ 4,486  
Employee service share-based compensation, nonvested, period for recognition         1 year 1 month 13 days        
Performance Based Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common shares, forfeited or cancelled         (263,492) (77,670)      
Weighted average grant date fair value, granted         $ 43.34 $ 17.10      
Unrecognized compensation expense         $ 0     $ 0  
Plan 2006 [Member] | Time Based Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation award vesting period         3 years 3 years 3 years    
Plan 2006 [Member] | Performance Based Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation award vesting period         3 years 3 years 3 years    
2016 Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation award reserved for issuance of common shares   1,800,000           2,900,000  
Share-based compensation, increase in awards reserved for issuance of common shares                 1,100,000
Share-based compensation award granted in period         2,261,121        
Share-based compensation award, number of shares available for grant         1,292,840     1,292,840  
2016 Plan [Member] | Time Based Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation award granted in period         911,616        
2016 Plan [Member] | Performance Based Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation award granted in period         1,349,505        
Share-based compensation award vesting period         3 years 3 years 3 years    
Director Share Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation award reserved for issuance of common shares 850,000   700,000 500,000          
Share-based compensation, increase in awards reserved for issuance of common shares 150,000   200,000            
Share-based compensation award vesting period         1 year        
Share-based compensation restricted common shares issued         744,811        
Share-based compensation, maximum number of shares issuable         105,189