v3.6.0.2
Segment and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Gross Billings, Based on Billing Address of Clients or Client Affiliates

Gross Billings, based on the billing address of the clients or client affiliates, were as follows (in thousands):

 

     Year Ended December 31,  
     2014      2015      2016  

US

   $ 172,877       $ 477,585       $ 868,877   

International

     28,927         52,390         121,684   
  

 

 

    

 

 

    

 

 

 

Total

   $ 201,804       $ 529,975       $ 990,561