XML 86 R73.htm IDEA: XBRL DOCUMENT v3.24.0.1
DEBT - Components of Debt (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Weighted-average discount rate - finance leases 4.00%  
Finance leases maturing through December 2107; bearing interest at a weighted average of 4.0% $ 53,066,000 $ 49,813,000
Principal amount of debt 1,054,546,000 603,477,000
Less—unamortized discount and debt issuance costs 11,103,000 9,494,000
Debt less unamortized debt issuance costs 1,043,443,000 593,983,000
Less—current maturities of debt 35,781,000 8,968,000
Debt, less current portion $ 1,007,662,000 $ 585,015,000
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 7.083% as of December 31, 2023    
Debt Instrument [Line Items]    
Principal amount of debt $ 350,000,000 $ 350,000,000
Secured Debt | Term Loan A Facility ("2023 Term Loan Facility") due December 2026; bearing interest at 7.581% as of December 31, 2023    
Debt Instrument [Line Items]    
Principal amount of debt 419,250,000 0
Line of Credit | Revolving Credit Facility ("Revolving Credit Facility") due December 2026; bearing interest at Term SOFR plus 1.725%    
Debt Instrument [Line Items]    
Principal amount of debt 0 6,000,000
Unsecured Debt    
Debt Instrument [Line Items]    
Principal amount of debt $ 232,000,000  
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 bearing interest at 2.875% through December 2029    
Debt Instrument [Line Items]    
Stated interest rate 2.875%  
Principal amount of debt $ 25,000,000 25,000,000
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 bearing interest at 3.125% through May 2026    
Debt Instrument [Line Items]    
Stated interest rate 3.125%  
Principal amount of debt $ 15,000,000 15,000,000
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 bearing interest at 2.750% through September 2025    
Debt Instrument [Line Items]    
Stated interest rate 2.75%  
Principal amount of debt $ 40,000,000 40,000,000
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 bearing interest at 5.125% through September 2030    
Debt Instrument [Line Items]    
Stated interest rate 5.125%  
Principal amount of debt $ 35,000,000 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 bearing interest at 5.25% through January 2025    
Debt Instrument [Line Items]    
Stated interest rate 5.25%  
Principal amount of debt $ 25,000,000 25,000,000
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 bearing interest at 5.125% through July 2025    
Debt Instrument [Line Items]    
Stated interest rate 5.125%  
Principal amount of debt $ 15,000,000 15,000,000
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 bearing interest at 4.375% through July 2025    
Debt Instrument [Line Items]    
Stated interest rate 4.375%  
Principal amount of debt $ 15,000,000 15,000,000
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 bearing interest at 4.625% through April 2028    
Debt Instrument [Line Items]    
Stated interest rate 4.625%  
Principal amount of debt $ 16,000,000 16,000,000
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 bearing interest at 5.00% through May 2027    
Debt Instrument [Line Items]    
Stated interest rate 5.00%  
Principal amount of debt $ 35,000,000 35,000,000
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 bearing interest at 2.95% through April 2029    
Debt Instrument [Line Items]    
Stated interest rate 2.95%  
Principal amount of debt $ 11,000,000 11,000,000
Notes payable maturing through March 2025; bearing interest up to 8.1%    
Debt Instrument [Line Items]    
Weighted average interest rate 8.10%  
Principal amount of debt $ 230,000 $ 664,000
SOFR | Secured Debt | Term Loan A Facility ("Term Loan Facility") due December 2026; bearing interest at 7.083% as of December 31, 2023    
Debt Instrument [Line Items]    
Stated interest rate 7.083%  
SOFR | Secured Debt | Term Loan A Facility ("2023 Term Loan Facility") due December 2026; bearing interest at 7.581% as of December 31, 2023    
Debt Instrument [Line Items]    
Stated interest rate 7.581%  
SOFR | Line of Credit | Revolving Credit Facility ("Revolving Credit Facility") due December 2026; bearing interest at Term SOFR plus 1.725%    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.725%