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 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Concentration Risk [Line Items]        
Revenues $ 101,063 $ 97,238 $ 191,265 $ 176,289
U.S. revenue        
Concentration Risk [Line Items]        
Revenues 78,499 76,479 148,898 138,624
Non-U.S. revenue        
Concentration Risk [Line Items]        
Revenues $ 22,564 $ 20,759 $ 42,367 $ 37,665