Commitment and Contingencies - Narrative (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |||
| Payments required to maintain mineral rights | $ 2,242 | $ 1,961 | |
| Performance bonds | 9,802 | $ 8,388 | |
| Undiscounted cash flows | $ 26,176 | $ 26,443 |