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Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Payables and Accruals [Abstract] |  |
Wages and benefits | $ 59,867 | $ 62,811
Workers’ compensation | 10,467 | 10,482
Black lung | 10,687 | 10,687
Taxes other than income taxes | 31,998 | 31,236
Asset retirement obligations | 38,713 | 38,915
Dividend payable | 427 | 2,342
Income taxes payable | 5,050 | 0
Freight accrual | 21,837 | 8,461
Other | 7,398 | 12,578
Total accrued expenses and other current liabilities | $ 186,444 | $ 177,512

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