PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,382,444	$ 5,326,393
Less - accumulated depreciation and amortization	2,918,824	2,878,452
Total property, plant and equipment, net	2,463,620	2,447,941
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	184,361	184,191
Asset retirement costs (non-landfill)
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	39,268	38,705
Landfill assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	259,129	258,138
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	718,973	719,439
Right-of-Use assets, finance leases	8,000	8,000
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,500,145	1,455,530
Right-of-Use assets, finance leases	258,200	230,500
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,607,003	2,600,085
Right-of-Use assets, finance leases	9,200	9,200
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 73,565	$ 70,305