PROPERTY, PLANT, AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 3,332,595
Less - accumulated depreciation and amortization		1,770,617
Total property, plant and equipment, net		1,561,978
Property, plant, and equipment, gross	$ 3,593,814
Less - accumulated depreciation and amortization	2,005,663
Total property, plant and equipment, net	1,588,151
Depreciation inclusive of landfill amortization	265,500	264,300	$ 251,400
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	131,023	123,734
Asset retirement costs (non-landfill)
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	15,924	15,148
Landfill assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	182,276	154,918
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	499,159	440,188
Camp and lodging equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	158,277	152,998
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	785,056	721,735
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,779,366	1,697,490
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	6,054	5,453
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 36,679	$ 20,931