Long-Term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Mar. 27, 2025
Debt Instrument [Line Items]
Finance Lease Obligations Weighted-Average Interest Rate	6.91%	6.60%
Finance Lease Obligations	$ 131,635	$ 57,666
Less: Unamortized Debt Issuance Costs	(6,362)	(6,539)
Long-Term Debt Net of Debt Issuance Costs	455,048	452,488
Less: Current Portion of Long-Term Debt	(43,418)	(98,328)
Long-Term Debt	$ 411,630	$ 354,160
WVEDA Solid Waste Disposal Facility Revenue Bonds at 5.45%
Debt Instrument [Line Items]
Stated Interest Rate	5.45%	5.45%	5.45%
Long-Term Debt, Gross	$ 106,355	$ 106,355
MEDCO Port Facilities Refunding Revenue Bonds at 5.00%
Debt Instrument [Line Items]
Stated Interest Rate	5.00%	5.00%	5.00%
Long-Term Debt, Gross	$ 102,865	$ 102,865
PEDFA Solid Waste Disposal Facility Revenue Bonds at 5.45%
Debt Instrument [Line Items]
Stated Interest Rate	5.45%	5.45%	5.45%
Long-Term Debt, Gross	$ 97,560	$ 97,560
Advance Royalty Commitments (8.04% Weighted-Average Interest Rates)
Debt Instrument [Line Items]
Weighted-Average Interest Rate	8.04%	8.04%
Long-Term Debt, Gross	$ 11,407	$ 11,407
Equipment Financing (7.22% and 7.55% Weighted-Average Interest Rates)
Debt Instrument [Line Items]
Weighted-Average Interest Rate	7.22%	7.55%
Long-Term Debt, Gross	$ 9,646	$ 79,665
Other Debt Arrangements
Debt Instrument [Line Items]
Long-Term Debt, Gross	$ 1,942	$ 3,509