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PROPERTY AND EQUIPMENT (Tables)
 12 Months Ended
Dec. 31, 2018
Property and Equipment, Net
Property and equipment, net, consists of:
 
December 31,
 
2018
 
 
2017
 
Land
 
$
820
 
 
$
820
 
Buildings and improvements
 
 
75,308
 
 
 
74,486
 
Machinery, vehicles and equipment
 
 
79,002
 
 
 
76,117
 
Furniture and fixtures
 
 
16,782
 
 
 
15,282
 
Computer hardware and software
 
 
50,853
 
 
 
47,377
 
 
 
 
222,765
 
 
 
214,082
 
Accumulated depreciation and amortization
 
 
(131,719
)
 
 
(122,884
)
 
 
$
91,046
 
 
$
91,198
 
Depreciation and amortization expense related to property and equipment included in selling, general and administrative expenses for the years ended December 31, 2018, 2017 and 2016, were $16,747, $16,770 and $14,853, respectively.