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Financial Instruments and Risk Management - Foreign Currency Risk, Interest Rate Risk, Interest Rate Swaps and Commodity Price Risk (Details) $ in Thousands | Dec. 31, 2022 CAD ($) usdPerBbl | Dec. 31, 2022 USD ($) usdPerBbl | Dec. 31, 2021 USD ($)
--- | --- | --- | ---
Currency risk |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Increase/decrease risk in foreign exchange rate | $ 0.01 |  |
Effect on net income | 4,200,000 |  |
Currency risk | U.S. dollar denominated, liabilities |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
U.S. dollar denominated |  | $ 430,171 | $ 829,934
Currency risk | U.S. dollar denominated, assets |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
U.S. dollar denominated |  | $ 6,980 | $ 602,503
Interest rate risk |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on net income | $ 3,800,000 |  |
Impact of base point change on interest rates | 100.00% | 100.00% |
Commodity price risk | Oil Price |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Potential impact of crude oil price changes | usdPerBbl | 1.00 | 1.00 |
Potential impact of natural gas price changes | $ 4,700,000 |  |

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