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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Schedule of Property and Equipment
The estimated useful lives, by asset class, are as follows:
Computer equipment
 
3 years
Software, including internal-use software
 
1 to 10 years
Office equipment
 
5 years
Furniture and fixtures
 
7 years
Property and equipment at December 31, 2016 and 2015 consisted of the following (in thousands):  
 
2016
 
2015
Computer equipment
$
9,568

 
$
8,148

Software, including internal-use software
68,980

 
59,718

Office equipment and furniture
5,073

 
4,778

Leasehold improvements
3,040

 
2,498

 
86,661

 
75,142

Less accumulated depreciation
(54,005
)
 
(42,461
)
 
$
32,656

 
$
32,681
Schedule of AOCI
The components of accumulated comprehensive loss included in the Consolidated Balance Sheets at December 31, 2016 and 2015 are as follows (in thousands):       

 
Foreign Currency Translation Adjustments
Balance at December 31, 2014
$
(5,401
)
 
 
Other comprehensive loss before reclassifications
(8,592
)
Net current-period other comprehensive loss
(8,592
)
 
 
Balance at December 31, 2015
(13,993
)
 
 
Other comprehensive loss before reclassifications
(6,806
)
Net current-period other comprehensive loss
(6,806
)
 
 
Balance at December 31, 2016
$
(20,799
)