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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2018
Property Plant And Equipment [Abstract]  
Property and Equipment

Property and equipment consist of the following (in thousands):

 

 

December 31,

 

 

2018

 

 

2017

 

Land

$

24,708

 

 

$

24,708

 

Building and improvements

 

36,644

 

 

 

36,459

 

Leasehold improvements

 

7,252

 

 

 

6,232

 

Computer equipment and software

 

118,723

 

 

 

103,827

 

Furniture and equipment

 

14,421

 

 

 

14,180

 

Transportation equipment

 

787,187

 

 

 

620,951

 

Construction in process

 

1,499

 

 

 

1,460

 

 

 

990,434

 

 

 

807,817

 

Less:  Accumulated depreciation and amortization

 

(308,575

)

 

 

(246,603

)

Property and Equipment, net

$

681,859

 

 

$

561,214