Mineral Properties (Details) $ in Thousands |
6 Months Ended |
|---|---|
|
Jun. 30, 2024
USD ($)
| |
| Beginning balance | $ 34,906 |
| Change in estimated reclamation costs | 4,575 |
| Depletion And Amortization | (38) |
| Ending balance | 39,443 |
| Shirley Basin Property [Member] | |
| Beginning balance | 17,726 |
| Change in estimated reclamation costs | 10 |
| Depletion And Amortization | 0 |
| Ending balance | 17,736 |
| Lost Creek Property [Member] | |
| Beginning balance | 2,466 |
| Change in estimated reclamation costs | 4,565 |
| Depletion And Amortization | (38) |
| Ending balance | 6,993 |
| Other U.S. Properties [Member] | |
| Beginning balance | 14,714 |
| Change in estimated reclamation costs | 0 |
| Depletion And Amortization | 0 |
| Ending balance | $ 14,714 |