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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
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Commitments and Contingencies Disclosure [Abstract] |  |
Liability for remediation and reclamation obligations | $ (12.5) | $ (10.0)
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Accrued Liabilities, Current, Other liabilities | Accrued Liabilities, Current, Other liabilities
Estimated insurance recoveries | $ 6.6 | $ 6.5

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