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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment
Property and equipment at December 31, 2016 and 2015 consisted of the following (in thousands):
 
 
2016
 
2015
Furniture, fixtures and equipment
 
$
14,956

 
$
14,445

Computers and related equipment
 
23,286

 
33,121

Computer software
 
72,852

 
52,929

Leasehold improvements
 
12,670

 
10,551

Work-in-progress
 
5,522

 
4,139

 
 
129,286

 
115,185

Less -- accumulated depreciation
 
(72,344
)
 
(61,989
)
 
 
$
56,942

 
$
53,196