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Petroleum and Natural Gas Sales (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | $ 1,868,195 | $ 975,477
Trade receivable, accrued petroleum and natural gas sales |  |
Disclosure of operating segments [line items] |  |
Included in accounts receivable | 154,000 | 81,300
Canada |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 1,128,137 | 571,741
U.S. |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 740,058 | 403,736
Light oil and condensate |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 1,065,834 | 623,585
Light oil and condensate | Canada |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 480,199 | 296,125
Light oil and condensate | U.S. |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 585,635 | 327,460
Heavy oil |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 560,696 | 236,235
Heavy oil | Canada |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 560,696 | 236,235
Heavy oil | U.S. |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 0 | 0
NGL |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 94,515 | 40,882
NGL | Canada |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 18,904 | 6,037
NGL | U.S. |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 75,611 | 34,845
Natural gas sales |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 147,150 | 74,775
Natural gas sales | Canada |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | 68,338 | 33,344
Natural gas sales | U.S. |  |
Disclosure of operating segments [line items] |  |
Petroleum and natural gas sales | $ 78,812 | $ 41,431

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