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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 99,721 | $ 67,424 | $ 190,971 | $ 129,151
Geographic Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 100.00% | 100.00% | 100.00% | 100.00%
Sales Channel Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 100.00% | 100.00% | 100.00% | 100.00%
Channel partners |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 10,153 | $ 5,663 | $ 19,312 | $ 11,859
Channel partners | Sales Channel Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 10.00% | 8.00% | 10.00% | 9.00%
Direct customers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 89,568 | $ 61,761 | $ 171,659 | $ 117,292
Direct customers | Sales Channel Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 90.00% | 92.00% | 90.00% | 91.00%
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 48,478 | $ 33,227 | $ 92,693 | $ 63,966
United States | Geographic Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 49.00% | 49.00% | 49.00% | 50.00%
Europe, Middle East, and Africa |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 25,912 | $ 15,997 | $ 49,018 | $ 30,623
Europe, Middle East, and Africa | Geographic Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 26.00% | 24.00% | 26.00% | 24.00%
Asia Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 18,589 | $ 13,610 | $ 36,193 | $ 25,789
Asia Pacific | Geographic Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 19.00% | 20.00% | 19.00% | 20.00%
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 6,742 | $ 4,590 | $ 13,067 | $ 8,773
Other | Geographic Concentration Risk | Revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Revenue | 6.00% | 7.00% | 6.00% | 6.00%

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