XML 118 R83.htm IDEA: XBRL DOCUMENT v3.22.4
Shareholders Equity - Stock-based payments - Assumptions Options (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2022
$ / shares
Dec. 31, 2022
USD ($)
EquityInstruments
Y
Dec. 31, 2021
$ / shares
Dec. 31, 2021
USD ($)
EquityInstruments
Y
Dec. 31, 2022
USD ($)
EquityInstruments
Dec. 31, 2021
USD ($)
EquityInstruments
Mar. 07, 2018
shares
Stock-based payments              
Aggregate number of common shares | shares             9,700,876
Risk-free interest rate   2.93%   1.21%      
Expected dividend yield   0.92%   0.91%      
Expected price volatility of the Company's common shares   30.00%   29.10%      
Expected life of the option | Y   4   4      
Forfeiture rate   0.00%   0.00%      
Weighted average life   5 years 5 months 8 days          
Stock options outstanding, beginning of year (in shares) | EquityInstruments   822,046   745,962      
Granted (in shares) | EquityInstruments   67,604   81,698      
Exercised (in shares) | EquityInstruments   (148,295)   (5,614)      
Forfeited (in shares) | EquityInstruments   (16,702)          
Stock options outstanding, end of the year (in shares) | EquityInstruments   724,653   822,046      
Exercisable stock options, end of the year (in shares) | EquityInstruments         584,522 664,589  
Stock options outstanding, beginning of year (in dollars per share) $ 97.88   $ 90.08        
Granted (in dollars per share) 183.61   168.43        
Exercised (in dollars per share) 82.81   87.60        
Forfeited (in dollars per share) 168.43            
Stock options outstanding, end of year (in dollars per share) 107.34   97.88        
Exercisable stock options, end of the year (in dollars per share) 90.84   83.03        
Stock options              
Stock-based payments              
Maximum percentage of common shares issued to single insider participant under compensation plan within one year         5.00%    
Term of options   10 years          
Vesting period   5 years          
Weighted average fair value per stock option | $         $ 2.5 $ 2.5  
Weighted average fair value per stock option (in dollars per share) $ 47.35   $ 37.96        
Expenses related to stock options | $   $ 1.8   $ 2.1      
Capitalized to royalty, stream and working interest, net | $   $ 0.1   $ 0.1      
Total unrecognized non-cash stock-based compensation expense | $         $ 3.1 $ 3.3  
Weighted average life   2 years 8 months 12 days   2 years 6 months      
Stock options | Maximum              
Stock-based payments              
Term of options   10 years