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Ceiling Test Price1

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Property, Plant and Equipment - Narrative (Details) $ in Millions								3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2026 CAD ($)	Jun. 23, 2026 USD ($)	Jun. 23, 2026 CAD ($)	Mar. 17, 2026 USD ($)	Mar. 10, 2026 USD ($)	Mar. 10, 2026 CAD ($)	Jun. 30, 2026 USD ($) lease	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) Boe lease	Jun. 30, 2025 USD ($) Boe MMBTU	Jun. 23, 2026 CAD ($)
Property, Plant, and Equipment [Line Items]
Non-cash lease expenses										$ 2,971,000	$ 3,461,000
Impairment of oil and gas properties								$ 0	$ 0	0	0
Proceeds from asset exchange transaction										$ 583,000	$ 0
Tisquirama Block
Property, Plant, and Equipment [Line Items]
Asset acquisition, percentage of working interests acquired					49.00%
Funding commitment					$ 47,100,000
Gross capital program					$ 92,400,000
Gross capital program, term					40 months
Gross capital program, initial investment					$ 15,000,000.0
Tangible Assets In Seal/Dawson Area
Property, Plant, and Equipment [Line Items]
Asset exchange, percentage of working interests transferred	30.00%							30.00%		30.00%
Proceeds from asset exchange transaction	$ 600,000	$ 0.8
Disposed of by sale \| Title Rights In Lodgepole, Canada Area
Property, Plant, and Equipment [Line Items]
Working interest disposed			54.00%									54.00%
Proceeds from divestiture of businesses			$ 9,300,000	$ 12.8
Disposed of by sale \| Title Rights In Lodgepole, Canada Area \| Disposal Group, Undiscounted Basis
Property, Plant, and Equipment [Line Items]
Derecognition of asset retirement obligation			12,800,000									$ 17.5
Disposed of by sale \| Title Rights In Lodgepole, Canada Area \| Disposal Group, Discounted Basis
Property, Plant, and Equipment [Line Items]
Derecognition of asset retirement obligation			$ 6,600,000									$ 9.0
Disposed of by sale \| Simonette Montney Block
Property, Plant, and Equipment [Line Items]
Proceeds from divestiture of businesses						$ 48,600,000	$ 66.3
Minimum \| Tangible Assets In Seal/Dawson Area
Property, Plant, and Equipment [Line Items]
Asset acquisition, percentage of working interests acquired	35.00%							35.00%		35.00%
Maximum \| Tangible Assets In Seal/Dawson Area
Property, Plant, and Equipment [Line Items]
Asset acquisition, percentage of working interests acquired	100.00%							100.00%		100.00%
Brent Crude
Property, Plant, and Equipment [Line Items]
Average brent price per barrel (in dollars per barrel) \| Boe										78.55	73.60
Edmonton Light Crude
Property, Plant, and Equipment [Line Items]
Average brent price per barrel (in dollars per barrel) \| Boe										98.28	91.55
Alberta AECO
Property, Plant, and Equipment [Line Items]
Average brent price per barrel (in dollars per barrel)										1.55	1.69
Edmonton Propane
Property, Plant, and Equipment [Line Items]
Average brent price per barrel (in dollars per barrel) \| Boe										32.84	33.82
Edmonton Butane
Property, Plant, and Equipment [Line Items]
Average brent price per barrel (in dollars per barrel) \| Boe										41.70	47.11
Edmonton Condensate
Property, Plant, and Equipment [Line Items]
Average brent price per barrel (in dollars per barrel) \| Boe										100.06	95.75
New Lease Contracts for Power Generating Equipment
Property, Plant, and Equipment [Line Items]
Number of finance leases \| lease								3		4
Non-cash lease expenses								$ 5,300,000		$ 21,000,000.0
Number of operating leases \| lease										1
Right-of-use asset	$ 4,000,000.0							$ 4,000,000.0		$ 4,000,000.0