Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Financial Instruments and Risk Management - Significant Exchange Rates (Details)

v3.22.1
Financial Instruments and Risk Management - Significant Exchange Rates (Details)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
GBP      
Disclosure of fair value measurement of assets [line items]      
Average Rate 0.7277 0.7760 0.7835
Year-end spot rate 0.7409 0.7321 0.7618
CAD      
Disclosure of fair value measurement of assets [line items]      
Average Rate 1.2536 1.3433 1.3251
Year-end spot rate 1.2725 1.2750 1.3033
RWF      
Disclosure of fair value measurement of assets [line items]      
Average Rate 1,003.4066 959.1820 914.2488
Year-end spot rate 1,037.6458 988.0837 947.0750
SGD      
Disclosure of fair value measurement of assets [line items]      
Average Rate 1.3427 1.3789 1.3111
Year-end spot rate 1.3496 1.3224 1.3456
INR      
Disclosure of fair value measurement of assets [line items]      
Average Rate 73.7902 74.0038  
Year-end spot rate 74.3047 73.2901