PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 4,341,615	$ 4,141,585
Less - accumulated depreciation and amortization	2,417,940	2,278,410
Total property, plant and equipment, net	1,923,675	1,863,175
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	172,143	165,010
Asset retirement costs (non-landfill)
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	20,832	19,105
Landfill assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	217,277	205,873
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	575,429	551,795
Right-of-Use assets, finance leases	8,000	8,900
Camp equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	115,859	127,680
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,066,576	912,836
Right-of-Use assets, finance leases	88,800	77,700
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,042,972	2,092,395
Right-of-Use assets, finance leases	9,100	9,300
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	6,458	6,444
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 124,069	$ 60,447