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v3.23.3

DEBT - Summary of Debt (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Weighted-average discount rate - finance leases | 3.90% |
Finance leases maturing through December 2107; bearing interest at a weighted average of 3.9% | $ 51,066 | $ 49,813
Principal amount of debt | 1,057,969 | 603,477
Less - unamortized debt issuance costs | 11,843 | 9,494
Debt less unamortized debt issuance costs | 1,046,126 | 593,983
Less—current maturities of debt | 33,957 | 8,968
Debt, less current portion | $ 1,012,169 | $ 585,015
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Debt, less current portion | Debt, less current portion
Secured Debt | Term loan A facility ("Term Loan Facility") due December 2026; bearing interest at Term SOFR plus 1.385% |  |
Debt Instrument [Line Items] |  |
Principal amount of debt | $ 350,000 | $ 350,000
Secured Debt | Term loan A facility ("Term Loan Facility") due December 2026; bearing interest at Term SOFR plus 1.385% | SOFR |  |
Debt Instrument [Line Items] |  |
Variable rate margin | 1.385% |
Secured Debt | Term loan A facility ("2023 Term Loan Facility") due December 2026; bearing interest at Term SOFR plus 1.885% |  |
Debt Instrument [Line Items] |  |
Principal amount of debt | $ 424,625 | 0
Secured Debt | Term loan A facility ("2023 Term Loan Facility") due December 2026; bearing interest at Term SOFR plus 1.885% | SOFR |  |
Debt Instrument [Line Items] |  |
Variable rate margin | 1.885% |
Secured Debt | Revolving credit facility ("Revolving Credit Facility") due December 2026; bearing interest at Term SOFR plus 1.385% | SOFR |  |
Debt Instrument [Line Items] |  |
Variable rate margin | 1.385% |
Line of Credit | Revolving credit facility ("Revolving Credit Facility") due December 2026; bearing interest at Term SOFR plus 1.385% |  |
Debt Instrument [Line Items] |  |
Principal amount of debt | $ 0 | 6,000
Unsecured Debt | New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014 ("New York Bonds 2014R-1") due December 2044 - fixed rate interest period ending in 2029; bearing interest at 2.875% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 2.875% |
Principal amount of debt | $ 25,000 | 25,000
Unsecured Debt | New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014R-2 ("New York Bonds 2014R-2") due December 2044 - fixed rate interest period ending in 2026; bearing interest at 3.125% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 3.125% |
Principal amount of debt | $ 15,000 | 15,000
Unsecured Debt | New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2020 ("New York Bonds 2020") due September 2050 - fixed rate interest period ending in 2025; bearing interest at 2.750% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 2.75% |
Principal amount of debt | $ 40,000 | 40,000
Unsecured Debt | New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2020R-2 ("New York Bonds 2020R-2") due September 2050 - fixed rate interest period ending in 2030; bearing interest at 5.125% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 5.125% |
Principal amount of debt | $ 35,000 | 0
Unsecured Debt | Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-3 ("FAME Bonds 2005R-3") due January 2025 - fixed rate interest period ending in 2025; bearing interest at 5.25% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 5.25% |
Principal amount of debt | $ 25,000 | 25,000
Unsecured Debt | Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015R-1 ("FAME Bonds 2015R-1") due August 2035 - fixed rate interest period ending in 2025; bearing interest at 5.125% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 5.125% |
Principal amount of debt | $ 15,000 | 15,000
Unsecured Debt | Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015R-2 ("FAME Bonds 2015R-2") due August 2035 - fixed rate interest period ending in 2025; bearing interest at 4.375% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 4.375% |
Principal amount of debt | $ 15,000 | 15,000
Unsecured Debt | Vermont Economic Development Authority Solid Waste Disposal Long-Term Revenue Bonds Series 2013 ("Vermont Bonds 2013") due April 2036 - fixed rate interest period ending in 2028; bearing interest at 4.625% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 4.625% |
Principal amount of debt | $ 16,000 | 16,000
Unsecured Debt | Vermont Economic Development Authority Solid Waste Disposal Long-Term Revenue Bonds Series 2022A-1 ("Vermont Bonds 2022A-1") due June 2052 - fixed rate interest period ending in 2027; bearing interest at 5.00% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 5.00% |
Principal amount of debt | $ 35,000 | 35,000
Unsecured Debt | Business Finance Authority of the State of New Hampshire Solid Waste Disposal Revenue Bonds Series 2013 ("New Hampshire Bonds") due April 2029 - fixed rate interest period ending in 2029; bearing interest at 2.95% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 2.95% |
Principal amount of debt | $ 11,000 | 11,000
Notes payable maturing through March 2025; bearing interest up to 8.1% |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 8.10% |
Principal amount of debt | $ 278 | $ 664

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