PROPERTY, PLANT AND EQUIPMENT - Components of Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 1,283,278
Finance lease right-of-use assets	$ 24,038
Property, plant and equipment and finance lease right-of-use asset, gross	1,288,699
Less: accumulated depreciation and amortization	(844,874)
Less: accumulated depreciation and amortization		(878,701)
Property, plant and equipment and finance lease right-of-use asset, net	443,825
Property, plant and equipment, net		404,577
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	28,703	25,490
Landfills
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	578,814	544,663
Landfill operating lease contracts
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	0	121,877
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	161,316	150,885
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	168,735	153,222
Rolling stock
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	183,145	163,758
Containers
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 143,948	$ 123,383