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Other Accrued Liabilities (Tables)
3 Months Ended
Mar. 31, 2023
Other Liabilities Disclosure [Abstract]  
Schedule of Accrued Liabilities
March 31,
2023
December 31,
2022
Subsidence Liability$94,440 $96,623 
Accrued Compensation and Benefits54,693 67,893 
Accrued Income Taxes43,522 1,513 
Accrued Other Taxes8,590 10,551 
Accrued Interest5,147 7,942 
Other11,591 9,880 
Current Portion of Long-Term Liabilities:  
Asset Retirement Obligations29,644 29,644 
Postretirement Benefits Other than Pensions22,190 22,436 
Pneumoconiosis Benefits12,673 12,723 
Workers' Compensation10,037 10,451 
Total Other Accrued Liabilities$292,527 $269,656