Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Breakdown of the Company Revenue (Details)

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Balance Sheet Components - Breakdown of the Company Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Concentration Risk [Line Items]    
Revenues $ 79,051 $ 52,500
U.S. revenue    
Concentration Risk [Line Items]    
Revenues 62,145 41,077
Non-U.S. revenue    
Concentration Risk [Line Items]    
Revenues $ 16,906 $ 11,423