XML 230 R162.htm IDEA: XBRL DOCUMENT v3.20.1
EQUITY - Schedule Using Black-Scholes Module (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
year
Dec. 31, 2018
USD ($)
year
Dec. 31, 2019
CAD ($)
Dec. 31, 2018
CAD ($)
Equity Settled Management Share Option Plan [Member] | Equity-Settled Share-Based Payment Arrangement        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Weighted average exercise price of share options granted (in dollars per share) $ 45.63 $ 40.42    
Weighted-average fair value of a unit $ 5.89 $ 5.38    
Average term to exercise | year 7.5 7.5    
Expected volatility, share options granted 1690.00% 1630.00%    
Liquidity discount 2500.00% 2500.00%    
Expected dividend as percentage, share options granted 200.00% 190.00%    
Risk free interest rate, share options granted 250.00% 280.00%    
Escrowed Stock Plan | Equity-Settled Share-Based Payment Arrangement        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Weighted average exercise price of share options granted (in dollars per share) $ 51.11 $ 40.39    
Weighted-average fair value of a unit $ 6.81 $ 5.38    
Average term to exercise | year 8.5 7,500,000.0    
Expected volatility, share options granted 1730.00% 1630000000.00%    
Liquidity discount 2500.00% 2500000000.00%    
Expected dividend as percentage, share options granted 180.00% 190000000.00%    
Risk free interest rate, share options granted 210.00% 280000000.00%    
Deferred Stock Unit | Cash-Settled Share-Based Payment Arrangement        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Share Price on Date of Remeasurement in Canadian Dollars Per Share     $ 75.03 $ 52.32
Share price, on date of measurement $ 57.80 $ 38.35    
Restricted Stock | Cash-Settled Share-Based Payment Arrangement        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Share Price on Date of Remeasurement in Canadian Dollars Per Share     75.03 52.32
Weighted-average fair value of a unit     $ 65.82 $ 43.11