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Property and Equipment, Net (Tables)
6 Months Ended
Jun. 30, 2013
Property, Plant and Equipment [Abstract]  
Summary of Property and Equipment
Property and equipment balances were comprised of the following (in thousands):
 
 
June 30,
2013
 
December 31,
2012
Computers and equipment
$
15,875

 
$
14,733

Software
33,317

 
32,982

Furniture and fixtures
8,660

 
8,555

Leasehold improvements
10,970

 
10,801

 
68,822

 
67,071

Less: accumulated depreciation and amortization
(38,660
)
 
(32,558
)
 
30,162

 
34,513

Construction in progress
113

 

 
$
30,275

 
$
34,513