XML 61 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
SEGMENT INFORMATION - Revenue and Long-Lived Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Revenue and Long-lived Assets by Geography          
Revenue $ 303,116 $ 181,717 $ 853,249 $ 513,173  
Long-lived assets (excluding goodwill and intangible assets) 58,775   58,775   $ 53,292
United States          
Revenue and Long-lived Assets by Geography          
Revenue 283,672 164,999 791,932 466,134  
Long-lived assets (excluding goodwill and intangible assets) 53,635   53,635   49,356
All other countries          
Revenue and Long-lived Assets by Geography          
Revenue 19,444 $ 16,718 61,317 $ 47,039  
Long-lived assets (excluding goodwill and intangible assets) $ 5,140   $ 5,140   $ 3,936