Long-Term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 27, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Less: Unamortized Debt Issuance Costs	$ (6,892)		$ (1,213)
Principal amount	358,877		183,464
Less: amounts due in one year	(45,648)		(103,940)
Long-Term Debt	313,229		79,524
WVEDA Solid Waste Disposal Facility Revenue Bonds due March 2035 at 5.45%
Debt Instrument [Line Items]
Long-term debt, gross	$ 106,355		0
Stated interest rate percentage	5.45%	5.45%
MEDCO Port Facilities Refunding Revenue Bonds due March 2035 at 5.00% and 5.75% at June 30, 2025 and December 31, 2024, respectively
Debt Instrument [Line Items]
Long-term debt, gross	$ 102,865		$ 102,865
Stated interest rate percentage	5.00%	5.00%	5.75%
PEDFA Solid Waste Disposal Facility Revenue Bonds due March 2035 at 5.45% and 9.00% at June 30, 2025 and December 31, 2024, respectively
Debt Instrument [Line Items]
Long-term debt, gross	$ 97,560		$ 75,000
Stated interest rate percentage	5.45%	5.45%	9.00%
Equipment Financing (7.61% Weighted-Average Interest Rate)
Debt Instrument [Line Items]
Long-term debt, gross	$ 52,293		$ 0
Weighted average interest rate			7.61%
Advance Royalty Commitments (8.10% Weighted-Average Interest Rate)
Debt Instrument [Line Items]
Long-term debt, gross	6,148		$ 6,148
Weighted average interest rate			8.10%
Other Debt Arrangements
Debt Instrument [Line Items]
Long-term debt, gross	548		$ 664
Loans Payable | Revolving Credit Facility
Debt Instrument [Line Items]
Finance lease, liability, current	$ 11,690		$ 8,925