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

Property and equipment (in thousands) consisted of the following, as of:

 

 

 

December 31,

 

 

 

2018

 

 

2017

 

Transportation equipment

 

$

48,645

 

 

$

48,645

 

Computer equipment and purchased software

 

 

56,933

 

 

 

57,515

 

Furniture and equipment

 

 

10,709

 

 

 

10,425

 

Leasehold improvements

 

 

29,733

 

 

 

28,511

 

Internally developed software

 

 

9,643

 

 

 

9,643

 

Property and equipment, gross

 

 

155,663

 

 

 

154,739

 

Less: accumulated depreciation and amortization

 

 

(103,744

)

 

 

(101,380

)

Property and equipment, net

 

$

51,919

 

 

$

53,359