Long-term Debt - Narrative (Details) T in Billions	1 Months Ended			12 Months Ended
	Nov. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Apr. 30, 2021 USD ($)	Dec. 31, 2023 USD ($) T	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2023 USD ($)	Jul. 31, 2022 USD ($)	Jun. 30, 2022	Dec. 31, 2018	Nov. 30, 2017 USD ($)
Debt Instrument [Line Items]
Number of tons | T				1.3
Segment Assets				$ 2,675,003,000	$ 2,704,377,000	$ 2,573,517,000
Net Income (Loss)				655,892,000	466,979,000	34,110,000
Gain (loss) on extinguishment of debt				2,725,000	5,623,000	(657,000)
Proceeds from reimbursements from qualified expenses				24,705,000	11,196,000
Restricted cash				43,897,000	53,882,000
Non-Guarantor Subsidiaries
Debt Instrument [Line Items]
Segment Assets				147,918,000	158,877,000
Trade receivables				147,612,000	158,127,000
Net Income (Loss)				5,129,000	12,330,000	(54,000)
Senior Secured Second Lien Notes due 2025
Debt Instrument [Line Items]
Repayments of debt				$ 101,832,000	52,074,000	17,092,000
PEDFA Solid Waste Disposal Revenue Bonds
Debt Instrument [Line Items]
Stated interest rate percentage			900.00%	9.00%
Aggregate principal amount			$ 75,000,000
Initial term			7 years
Restricted cash				$ 12,177,000	$ 35,516,000
Line of Credit | Debt Agreement
Debt Instrument [Line Items]
Debt instrument, covenant, first lien gross leverage ratio, maximum									1.50
Debt instrument, covenant, leverage ratio, maximum									2.50
Minimum fixed charge coverage ratio									1.10
Senior Notes | Senior Secured Second Lien Notes due 2025
Debt Instrument [Line Items]
Stated interest rate percentage				11.00%	11.00%					11.00%
Repayments of debt	$ 25,687,000	$ 26,387,000		$ 101,832,000	$ 26,387,000	17,092,000
Repurchased face amount				99,107,000	25,000,000	$ 18,040,000
Revolving Credit Facility
Debt Instrument [Line Items]
Borrowings outstanding				0	0
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 355,000	$ 260,000			$ 300,000,000
Line of credit facility, maximum borrowing capacity, option to increase, maximum increase amount							45,000
Line of credit facility, maximum borrowing capacity, option to increase, maximum amount							$ 400,000
Letters of credit outstanding				111,186,000	103,029,000
Remaining borrowing capacity				$ 243,814,000	$ 296,971,000
Revolving Credit Facility and TLA Facility | Line of Credit
Debt Instrument [Line Items]
First lien gross leverage ratio				0.01
Debt instrument covenant net leverage ratio				0.08
Debt instrument, covenant, fixed charge coverage ratio				3.42