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Segment Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
segment
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Segment Reporting [Abstract]      
Number of reportable segments | segment 1    
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue $ 335,475 $ 242,196  
Long lived assets 76,319   $ 76,961
United States      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 262,389 180,876  
Long lived assets 68,802   69,352
Other Americas      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 2,474 1,765  
Europe, Middle East and Africa      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 42,734 43,739  
Asia-Pacific      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 27,878 $ 15,816  
International      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long lived assets $ 7,517   $ 7,609