Long-Term Debt - Narrative (Details) T in Billions	1 Months Ended	3 Months Ended
	Apr. 30, 2021 USD ($)	Mar. 31, 2024 USD ($) T	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 28, 2023 USD ($)
Debt Instrument [Line Items]
Number of tons | T		1.3
Assets		$ 2,680,124,000	$ 2,695,311,000	$ 2,675,003,000
Net Income		101,891,000	230,377,000
Gain (loss) on extinguishment of debt		0	1,375,000
Senior Secured Second Lien Notes due 2025
Debt Instrument [Line Items]
Repayments of debt		$ 0	51,375,000
PEDFA Solid Waste Disposal Revenue Bonds
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	9.00%	9.00%		9.00%
Debt instrument, face amount	$ 75,000,000,000
Debt instrument, term	7 years
Restricted cash		$ 9,296,000		$ 12,177,000
PEDFA Solid Waste Disposal Revenue Bonds Due April 2028 | Restricted Cash
Debt Instrument [Line Items]
Payment of capital construction project, qualified costs		3,035,000	3,244,000
Non-Guarantor Subsidiaries
Debt Instrument [Line Items]
Assets		160,278,000		147,918,000
Accounts receivable, after allowance for credit loss		159,864,000		147,612,000
Net Income		46,000	$ 2,622,000
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term line of credit		0		0
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 355,000,000	$ 260,000,000
Line of credit facility, maximum borrowing capacity, option to increase, maximum increase amount					45,000,000
Line of credit facility, maximum borrowing capacity, option to increase, maximum amount					$ 400,000,000
Letters of credit outstanding, amount		133,312,000		111,186,000
Line of credit facility, remaining borrowing capacity		$ 221,688,000		$ 243,814,000
Revolving Credit Facility and TLA Facility | Line of Credit
Debt Instrument [Line Items]
Debt instrument, covenant, net leverage ratio, maximum			2.50
Debt instrument, covenant, fixed charge coverage ratio, minimum			1.10
Debt instrument, covenant, first lien gross leverage ratio, actual		0.01
Debt instrument, covenant, net leverage ratio, actual		(0.07)
Debt instrument, covenant, fixed charge coverage ratio, actual		2.87
Revolving Credit Facility and TLA Facility | Line of Credit | Maximum
Debt Instrument [Line Items]
Debt instrument, covenant, first lien gross leverage ratio			1.50