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Other Financial Statement Information - Schedule of Revenue by Geographic Region (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue $ 42,905 $ 55,819 $ 114,810 $ 109,397
North America        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 20,261 32,946 59,993 61,455
Europe, Middle East and Africa        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 11,715 12,243 24,873 24,498
China        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue 7,628 7,293 18,625 15,407
Asia-Pacific        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenue $ 3,301 $ 3,337 $ 11,319 $ 8,037