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Long-term Debt (Tables)
12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
 December 31,
 20242023
Debt:  
MEDCO Revenue Bonds in Series due September 2025 at 5.75%
$102,865 $102,865 
9.00% PEDFA Solid Waste Disposal Revenue Bonds due April 2028
75,000 75,000 
Advance Royalty Commitments (8.10% and 8.80% Weighted Average Interest Rate, respectively)
6,148 5,922 
Other Debt Arrangements664 1,419 
Less: Unamortized Debt Issuance Costs(1,213)(1,686)
 183,464 183,520 
Less: Current Portion of Long-Term Debt*(103,940)(1,635)
Long-Term Debt$79,524 $181,885 
*Excludes current portion of Finance Lease Obligations of $8,925 and $9,471 at December 31, 2024 and 2023, respectively, and includes unamortized debt issuance costs on the MEDCO Revenue Bonds of $101 at December 31, 2024.
Schedule of Maturities of Long-term Debt
Annual undiscounted maturities on the Company's debt instruments during the next five years and thereafter are as follows:
Year ended December 31,Amount
2025$104,041 
20261,018 
2027943 
202875,831 
2029649 
Thereafter2,195 
Total Long-Term Debt Maturities$184,677