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Property, Plant and Equipment - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2022 | Jun. 30, 2022 | Mar. 31, 2021 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2021 | Dec. 31, 2019
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | $ 0 | $ 196,296,000 | $ 1,206,284,000 |  |
Proceeds from sale of oil and gas property and equipment |  |  | $ 267,700,000 |  |  |  |  |  |
Impairment of assets |  |  |  |  | 0 | 196,296,000 | 1,206,284,000 |  |
Total capitalized exploratory well costs |  |  |  |  | 171,860,000 | 179,481,000 | 181,616,000 |  | $ 217,326,000
Exploratory well costs capitalized more than one year |  |  |  |  | 156,300,000 |  |  |  |
Vietnam |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Exploratory well costs capitalized more than one year |  |  |  |  | 96,300,000 |  |  |  |
U.S. |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | 0 | 0 | 1,152,515,000 |  |
Exploratory well costs capitalized more than one year |  |  |  |  | 37,100,000 |  |  |  |
MEXICO |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Exploratory well costs capitalized more than one year |  |  |  |  | 15,500,000 |  |  |  |
Canada |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | 0 | 171,296,000 | $ 0 |  |
Exploratory well costs capitalized more than one year |  |  |  |  | 4,700,000 |  |  |  |
Brunei |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Exploratory well costs capitalized more than one year |  |  |  |  | $ 2,700,000 |  |  |  |
Terra Nova |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  |  | 171,300,000 |  |  |
Additional percentage acquired through commercial settlement |  |  |  |  | 7.525% |  |  | 7.525% |
Impairment of long-lived assets to be disposed of |  |  |  |  |  | $ 25,000,000 |  |  |
Lucius Field |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Percentage of field acquired | 3.37% |  |  |  |  |  |  |  |
Consideration transferred | $ 78,500,000 |  |  |  |  |  |  |  |
Kodak Field |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Percentage of field acquired |  | 11.00% |  |  |  |  |  |  |
Consideration transferred |  | $ 50,000,000 |  |  |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Thunder Hawk field |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Percentage of ownership sold |  |  |  | 62.50% |  |  |  |  |
Cash received from divestiture |  |  |  | $ 20,000,000 |  |  |  |  |
Closing adjustment |  |  |  | 23,100,000 |  |  |  |  |
Net payment |  |  |  | 3,100,000 |  |  |  |  |
Gain on sale |  |  |  | 17,900,000 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Thunder Hawk field | Buyer |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Impairment of assets |  |  |  | 47,900,000 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | CA-2 Asset |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Gain on sale |  |  |  | 0 |  |  |  |  |
Contingent consideration value |  |  |  | $ 8,700,000 |  |  |  |  |

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