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Mineral Rights and Properties - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2025 CAD ($) shares | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Feb. 29, 2024 | Feb. 26, 2024 | Dec. 05, 2023
Mineral Properties [Line Items] |  |  |  |  |  |  |  |  |
Payments required to maintain mineral rights |  | $ 1,961,000 |  | $ 1,961,000 |  |  |  |  |
Depletion |  | 2,795,000 | $ 0 | 4,572,000 | $ 0 |  |  |  |
Capitalized costs |  | 3,098,000 |  | 3,098,000 |  |  |  |  |
Mineral rights and properties, net |  | 267,350,000 |  | 267,350,000 |  | $ 271,922,000 |  |  |
Proceeds from issuance of common stock |  |  |  | 0 | $ 2,008,000 |  |  |  |
Distributions to NCI |  |  |  |  |  |  |  |  |
Mineral Properties [Line Items] |  |  |  |  |  |  |  |  |
Depletion |  |  |  | 787,000 |  |  |  |  |
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% |  |
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 |  | $ 113,866,000 |  | $ 113,866,000 |  | $ 118,438,000 |  |  |

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