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Property and Equipment
 3 Months Ended
Mar. 31, 2018
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
Property and equipment are recorded at cost and consist of the following:
 
 
As of
March 31, 2018
 
As of
December 31, 2017
 
 
(in thousands)
Computer equipment and software
 
$
18,002

 
$
16,205

Furniture and fixtures
 
3,965

 
4,034

Leasehold improvements
 
9,374

 
9,079

Total
 
31,341

 
29,318

Less accumulated depreciation
 
(22,103
)
 
(20,729
)
Property and equipment, net
 
$
9,238

 
$
8,589


Depreciation expense was $1.4 million and $1.1 million for the three months ended March 31, 2018 and 2017, respectively.