Segments and Information about Revenues by Geographic Region
9 Months Ended
Sep. 30, 2016
Segment Reporting [Abstract]  
Segments and Information about Revenues by Geographic Area
Segments and Information about Revenues by Geographic Area
The following table presents our revenues by geographic region of end users who purchased products or services for the periods presented below:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
 
(in thousands)
United States and Canada
$
147,820

 
$
128,667

 
$
412,946

 
$
340,229

International
58,237

 
42,165

 
163,344

 
110,608

Total revenues
$
206,057

 
$
170,832

 
$
576,290

 
$
450,837