XML 139 R100.htm IDEA: XBRL DOCUMENT v3.25.0.1
Share Capital and Employee Compensation Plans - Options Outstanding and Exercisable (Details)
 12 Months Ended
Dec. 31, 2024
shares
$ / shares
Dec. 31, 2023
shares
$ / shares
Dec. 31, 2022
shares
$ / shares
Disclosure of range of exercise prices of outstanding share options [line items]      
Number Outstanding at Year End (shares) | shares 396,400 513,200 377,000.0
Weighted Average Remaining Contractual Life (years) 4 years 7 months 6 days    
Weighted Average Exercise Price (CAD$ per share) $ 22.90 $ 22.32 $ 23.01
Number Exercisable at Year End (shares) | shares 233,800    
Weighted Average Exercise Price (CAD$ per share) $ 23.64    
Range 1 [Member]      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number Outstanding at Year End (shares) | shares 332,200    
Weighted Average Remaining Contractual Life (years) 4 years 10 months 24 days    
Weighted Average Exercise Price (CAD$ per share) $ 21.46    
Number Exercisable at Year End (shares) | shares 169,600    
Weighted Average Exercise Price (CAD$ per share) $ 21.11    
Range 1 [Member] | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) 17.53    
Range 1 [Member] | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) $ 23.03    
Range 2 [Member]      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number Outstanding at Year End (shares) | shares 20,400    
Weighted Average Remaining Contractual Life (years) 1 year 10 months 24 days    
Weighted Average Exercise Price (CAD$ per share) $ 26.54    
Number Exercisable at Year End (shares) | shares 20,400    
Weighted Average Exercise Price (CAD$ per share) $ 26.54    
Range 2 [Member] | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) 23.04    
Range 2 [Member] | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) $ 28.54    
Range 3 [Member]      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number Outstanding at Year End (shares) | shares 36,900    
Weighted Average Remaining Contractual Life (years) 3 years 10 months 24 days    
Weighted Average Exercise Price (CAD$ per share) $ 30.70    
Number Exercisable at Year End (shares) | shares 36,900    
Weighted Average Exercise Price (CAD$ per share) $ 30.70    
Range 3 [Member] | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) 28.55    
Range 3 [Member] | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) $ 34.04    
Range 4 [Member]      
Disclosure of range of exercise prices of outstanding share options [line items]      
Number Outstanding at Year End (shares) | shares 6,900    
Weighted Average Remaining Contractual Life (years) 2 years 10 months 24 days    
Weighted Average Exercise Price (CAD$ per share) $ 39.48    
Number Exercisable at Year End (shares) | shares 6,900    
Weighted Average Exercise Price (CAD$ per share) $ 39.48    
Range 4 [Member] | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) 34.05    
Range 4 [Member] | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Exercise price (in USD per share) $ 39.48