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Segment and Geographic Information
12 Months Ended
Dec. 31, 2017
Segment Reporting [Abstract]  
Segment and Geographic Information

Note 12—Segment and Geographic Information

The Company has determined that it operates as one operating segment. The Company’s chief operating decision maker reviews financial information on a consolidated basis, together with certain operating and performance measures principally to make decisions about how to allocate resources and measure performance.

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

 

 

 

Year Ended December 31,

 

 

 

2015

 

 

2016

 

 

2017

 

US

 

$

477,585

 

 

$

868,877

 

 

$

1,270,116

 

International

 

 

52,390

 

 

 

121,684

 

 

 

221,626

 

Total

 

$

529,975

 

 

$

990,561

 

 

$

1,491,742

 

 

 

The Company’s property and equipment, net located outside the U.S. was $2.5 million and $3.6 million as of December 31, 2016 and 2017, respectively.