Mineral Properties (Details) $ in Thousands |
9 Months Ended |
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Sep. 30, 2025
USD ($)
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| Mineral Properties | |
| Beginning balance | $ 39,380 |
| Change in estimated asset retirement costs | 2,710 |
| Depletion and amortization | (1,213) |
| Ending balance | 40,877 |
| Lost Creek Property | |
| Mineral Properties | |
| Beginning balance | 6,812 |
| Change in estimated asset retirement costs | 2,636 |
| Depletion and amortization | (1,213) |
| Ending balance | 8,235 |
| Shirley Basin Project | |
| Mineral Properties | |
| Beginning balance | 17,854 |
| Change in estimated asset retirement costs | 74 |
| Ending balance | 17,928 |
| Other U.S. Properties | |
| Mineral Properties | |
| Beginning balance | 14,714 |
| Ending balance | $ 14,714 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Mineral properties, net of adjustments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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