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Geographic Information - Schedule of Total Revenue Based on Customer's Location (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Segment Reporting Information [Line Items] |  |
Total revenue | $ 60,286 | $ 53,804
United States |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 30,656 | 29,600
Japan |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 13,079 | 10,885
Asia Pacific, excluding Japan |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 10,241 | 6,731
EMEA |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 5,208 | 5,067
Other |  |
Segment Reporting Information [Line Items] |  |
Total revenue | $ 1,102 | $ 1,521

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