Property and Equipment - Net
9 Months Ended
Sep. 30, 2014
Property, Plant and Equipment [Abstract]  
Property and Equipment - Net
Property and Equipment—Net
Property and equipment, net consisted of the following:
 
December 31,
2013
 
September 30,
2014
 
(in thousands)
Computer equipment (1)
$
19,361

 
$
20,920

Computer software
4,625

 
5,241

Furniture and fixtures
1,634

 
1,772

Leasehold improvements
1,044

 
1,232

Work in process (primarily software development costs)
3,893

 
6,148

Other
173

 
173

 
30,730

 
35,486

Less accumulated depreciation (2)
(16,645
)
 
(19,950
)
Total property and equipment—net
$
14,085

 
$
15,536

Notes:
(1)
Includes equipment under capital lease obligations of $5.3 million and $6.7 million as of December 31, 2013 and September 30, 2014, respectively.

(2)
Includes $2.1 million and $3.0 million of accumulated depreciation of equipment under capital leases as of December 31, 2013 and September 30, 2014, respectively.