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Property and Equipment, Net (Tables)
 12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Summary of Property and Equipment, Net
Property and equipment, net consists of the following at December 31:
 
Useful
Lives
(years)
 
2016
 
2015
Land
—

 
$
9,958

 
$
8,146

Building and leasehold improvements
5-39

 
94,924

 
77,020

Computer equipment and purchased software
3-5

 
55,627

 
42,245

Furniture and fixtures
5

 
19,897

 
16,661

Transportation equipment
5

 
447

 
252

 
 
 
180,853

 
144,324

Accumulated depreciation and amortization
 
 
(56,585
)
 
(43,212
)
Property and equipment, net
 
 
$
124,268

 
$
101,112