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v3.19.3.a.u2

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 |

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