Annual report pursuant to Section 13 and 15(d)

Geographical Information (Details)

v3.10.0.1
Geographical Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property and equipment, net $ 44,991 $ 35,909
United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property and equipment, net 39,412 30,647
India    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property and equipment, net 3,969 4,907
Other    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property and equipment, net $ 1,610 $ 355