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DEBT - Tax-Exempt Financings (Details) - Unsecured Debt - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Aggregate principal amount outstanding	$ 232,000
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]
Aggregate principal amount outstanding	35,000	$ 0
Aggregate principal amount issued	35,000
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]
Aggregate principal amount outstanding	$ 35,000	35,000
Aggregate principal amount issued		$ 35

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