Long-Term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Mar. 27, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Less: Unamortized Debt Issuance Costs	$ (6,716)		$ (1,213)
Principal amount	384,293		183,464
Less: amounts due in one year	(71,072)		(103,940)
Long-Term Debt	$ 313,221		$ 79,524
WVEDA Solid Waste Disposal Facility Revenue Bonds due March 2035 at 5.45%
Debt Instrument [Line Items]
Stated interest rate percentage	5.45%	5.45%	5.45%
Long-term debt, gross	$ 106,355		$ 0
MEDCO Port Facilities Refunding Revenue Bonds due March 2035 at 5.00% and 5.75% at September 30, 2025 and December 31, 2024, respectively
Debt Instrument [Line Items]
Stated interest rate percentage	5.00%	5.00%	5.75%
Long-term debt, gross	$ 102,865		$ 102,865
PEDFA Solid Waste Disposal Facility Revenue Bonds due March 2035 at 5.45% and 9.00% at September 30, 2025 and December 31, 2024, respectively
Debt Instrument [Line Items]
Stated interest rate percentage	5.45%	5.45%	9.00%
Long-term debt, gross	$ 97,560		$ 75,000
Equipment Financing (7.56% Weighted-Average Interest Rate)
Debt Instrument [Line Items]
Weighted average interest rate	7.56%		7.56%
Long-term debt, gross	$ 73,010		$ 0
Advance Royalty Commitments (8.10% Weighted-Average Interest Rate)
Debt Instrument [Line Items]
Weighted average interest rate	8.10%		8.10%
Long-term debt, gross	$ 6,148		$ 6,148
Other Debt Arrangements
Debt Instrument [Line Items]
Long-term debt, gross	5,071		664
Loans Payable | Revolving Credit Facility
Debt Instrument [Line Items]
Finance lease, liability, current	$ 12,724		$ 8,925