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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Summary of Property And Equipment
 
December 31,
 
2013
 
2012
Computer equipment and software
$
45,790

 
$
38,649

Furniture, equipment and building improvements
7,906

 
6,834

 
53,696

 
45,483

Less: accumulated depreciation
(36,078
)
 
(27,988
)
Total
$
17,618

 
$
17,495