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PROPERTY AND EQUIPMENT (Tables)
 12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property and equipment Depreciation of property and equipment is provided on the straight‑line method over the following estimated useful lives:
Land
Indefinite
Buildings and property improvements
5 - 30 years
Vehicles
1 ‑ 5 years
Equipment
1 ‑ 22 years
Leasehold improvements
5 ‑ 20 years
Property and equipment consisted of the following:
(in thousands)
December 31,
20232022
Land
$14,076 $11,793 
Buildings
37,888 34,298 
Equipment and vehicles
1,551,261 1,397,727 
Leasehold improvements
8,011 8,573 
Subtotal
1,611,236 1,452,391 
Less accumulated depreciation
(644,120)(529,656)
Property and equipment — net
$967,116 $922,735 
Depreciation consisted of the following:
(in thousands)
Year Ended December 31,
202320222021
Depreciation related to cost of services$169,771 $126,746 $133,075 
Depreciation related to general and administrative expenses222 407 302 
Total depreciation$169,993 $127,153 $133,377