Property, Plant and Equipment - Narrative (Details) $ in Millions			1 Months Ended		3 Months Ended			12 Months Ended
	Sep. 15, 2023 USD ($)	Sep. 15, 2023 CAD ($)	Aug. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Property, Plant and Equipment [Line Items]
Impairment of assets								$ 62,900,000
Impairment of assets					$ 28,400,000	$ 34,500,000		62,909,000	$ 0	$ 0
Total capitalized exploratory well costs					72,055,000			72,055,000	49,118,000	171,860,000	$ 179,481,000
Additions pending the determination of proved reserves								49,408,000	48,000	33,440,000
Capitalized exploration well costs charged to expense								26,471,000	40,605,000	$ 33,146,000
Well costs incurred and expensed								46,700,000	129,200,000
Exploratory well costs capitalized more than one year					22,300,000			22,300,000
Mississippi Canyon 216
Property, Plant and Equipment [Line Items]
Well costs incurred and expensed								27,600,000
Mississippi Canyon 387
Property, Plant and Equipment [Line Items]
Well costs incurred and expensed								26,100,000
Walker Ridge 425
Property, Plant and Equipment [Line Items]
Well costs incurred and expensed									82,000,000
Atwater Valley 138
Property, Plant and Equipment [Line Items]
Well costs incurred and expensed									$ 47,200,000
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				$ 50,000,000.0
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							$ 20,000,000.0
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
Canada
Property, Plant and Equipment [Line Items]
Proceeds from sale of property, plant, and equipment		$ 139
Gain (loss) on sale of property plant equipment	$ 0
Exploratory well costs capitalized more than one year					4,400,000			4,400,000
Vietnam
Property, Plant and Equipment [Line Items]
Exploratory well costs capitalized more than one year					15,100,000			15,100,000
Brunei
Property, Plant and Equipment [Line Items]
Exploratory well costs capitalized more than one year					$ 2,700,000			$ 2,700,000