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Geographic Information - Schedule of Total Revenue Based on Customer's Location (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 61,419 | $ 55,068 | $ 175,394 | $ 166,002
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 28,808 | 24,297 | 88,100 | 85,242
Japan |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 16,634 | 16,008 | 38,119 | 37,846
Asia Pacific, excluding Japan |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 6,714 | 7,434 | 25,616 | 21,911
EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 6,116 | 6,046 | 18,110 | 16,973
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 3,147 | $ 1,283 | $ 5,449 | $ 4,030

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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