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Mineral Rights and Properties - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2025 CAD ($) shares	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 16, 2025	Dec. 31, 2024 USD ($)	Feb. 29, 2024	Feb. 26, 2024	Dec. 05, 2023
Mineral Properties [Line Items]
Payments required to maintain mineral rights		$ 2,016,000		$ 2,016,000
Depletion		3,110,000	$ 0	7,682,000	$ 0
Capitalized costs		3,764,000		3,764,000
Mineral rights and properties, net		264,240,000		264,240,000			$ 271,922,000
Proceeds from issuance of common stock				0	$ 2,008,000
Distributions to NCI
Mineral Properties [Line Items]
Depletion				1,509,000
Alta Mesa
Mineral Properties [Line Items]
Ownership interest in subsidiary as a result of transaction (as a percent)								70.00%	70.00%	70.00%
Noncontrolling ownership percentage								30.00%
Dewey Burdock
Mineral Properties [Line Items]
Ownership interest in subsidiary as a result of transaction (as a percent)						100.00%
Verdera Energy Corp
Mineral Properties [Line Items]
Preferred shares (in shares) | shares	50,000,000
Verdera Energy Corp | Minimum
Mineral Properties [Line Items]
Proceeds from issuance of common stock	$ 20
Alta Mesa
Mineral Properties [Line Items]
Mineral rights and properties, net		$ 110,757,000		$ 110,757,000			$ 118,438,000

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