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Supplemental Financial Information - Schedule of Other Liabilities (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Other current liabilities:    
Operating lease, liability, current, statement of financial position [Extensible List] Total other current liabilities Total other current liabilities
Current portion of operating lease obligations $ 2,560 $ 2,081
Sales, use and other taxes payable 1,485 2,325
Current portion of mine reclamation liability 1,037 1,037
Other 5,268 2,741
Total other current liabilities $ 10,350 $ 8,184
Other long-term liabilities:    
Operating lease, liability, noncurrent, statement of financial position [Extensible List] Total other long-term liabilities Total other long-term liabilities
Operating lease obligations, long-term $ 7,186 $ 7,460
Mine reclamation liabilities 5,413 5,242
Other 265 367
Total other long-term liabilities 12,864 13,069
Tinuum Group, LLC    
Finite-Lived Intangible Assets [Line Items]    
Current liabilities $ 1,700 $ 1,700