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Long-Term Debt (Tables)
3 Months Ended
Mar. 31, 2024
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt Instruments
March 31,
2024
December 31,
2023
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 (8.80% Weighted Average Interest Rate)
5,922 5,922 
Other Debt Arrangements1,166 1,419 
Less: Unamortized Debt Issuance Costs(1,567)(1,686)
183,386 183,520 
Less: Amounts Due in One Year*(1,438)(1,635)
Long-Term Debt$181,948 $181,885 
* Excludes current portion of Finance Lease Obligations of $7,111 and $9,471 at March 31, 2024 and December 31, 2023, respectively.