Quarterly report pursuant to Section 13 or 15(d)

Reportable Segments - Revenue by Geographic Region (Details)

v3.19.1
Reportable Segments - Revenue by Geographic Region (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 157,397 $ 109,675
United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 66,253 43,995
Russia    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 49,387 31,292
EMEA & Asia    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 25,133 20,044
Latin America    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 5,482 3,513
Other CIS    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 3,621 3,550
Other    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 7,521 $ 7,281