Mineral Interests - Schedule of Mineral Interests (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Mineral Industries Disclosures [Abstract] | ||
| Beginning balance | $ 23,327 | $ 0 |
| Acquired mineral interests | 0 | 23,223 |
| SEM option exercise | 100 | 0 |
| Capitalized land option payments | 188 | 104 |
| Ending balance | $ 23,615 | $ 23,327 |