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Accrued Expenses and Other Current Liabilities (Tables) | 6 Months Ended
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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, 2026 |  | December 31, 2025
Wages and benefits | $ | 57,625 |  |  | $ | 46,687 |
Workers’ compensation | 8,880 |  |  | 8,880 |
Black lung | 12,329 |  |  | 12,329 |
Taxes other than income taxes | 23,984 |  |  | 26,315 |
Asset retirement obligations | 28,874 |  |  | 22,632 |
Freight accrual | 11,054 |  |  | 12,018 |
Other | 20,600 |  |  | 6,917 |
Total accrued expenses and other current liabilities | $ | 163,346 |  |  | $ | 135,778 |

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- Definition Tabular disclosure of other current liabilities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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