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Accrued Expenses and Other Current Liabilities (Tables)
6 Months Ended
Jun. 30, 2026
Payables and Accruals [Abstract]  
Schedule of Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consisted of the following: 
June 30, 2026December 31, 2025
Wages and benefits$57,625 $46,687 
Workers’ compensation8,880 8,880 
Black lung12,329 12,329 
Taxes other than income taxes23,984 26,315 
Asset retirement obligations28,874 22,632 
Freight accrual11,054 12,018 
Other20,600 6,917 
Total accrued expenses and other current liabilities$163,346 $135,778