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Revenue Information (Tables)
 3 Months Ended
Mar. 31, 2017
Segment Reporting [Abstract]  
Schedule of revenue categories
The following table presents the Company’s revenue categories during the periods presented (in thousands):
 
Three Months Ended 
 March 31,
 
2017
 
2016
 
 
 
 
Transaction revenue
$
70,432

 
$
57,409

Forecasts, consulting and other revenue
5,325

 
4,451

Total revenues
$
75,757

 
$
61,860