Quarterly report pursuant to Section 13 or 15(d)

Geographical Information (Details)

v3.7.0.1
Geographical Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues $ 167,417 $ 141,708 $ 325,203 $ 273,529  
Property, Plant and Equipment, Net 34,787   34,787   $ 33,000
United States          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues 151,621 127,070 293,583 251,004  
Property, Plant and Equipment, Net 29,897   29,897   28,713
International          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues 15,796 $ 14,638 31,620 $ 22,525  
India          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Property, Plant and Equipment, Net 4,370   4,370   3,596
Other          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Property, Plant and Equipment, Net $ 520   $ 520   $ 691