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Disaggregation of Revenue (Tables) | 6 Months Ended
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Jun. 30, 2020
Revenue by Geography [Abstract] |
Schedule of Disaggregation Of Revenue [Table Text Block] | The geographic information in the table below is presented for the three and six months ended June 30, 2020 and 2019. The Company categorizes geographic revenues based on the location of the customer's headquarters. Because the Company's contracts are predominately denominated in U.S. dollars, it has limited exposure to foreign currency exchange risk as discussed under "Foreign Currency Exchange Risk" of Part I, Item 3 below.
| Three Months Ended June 30, |  |  |  |  |  |  |  | Six Months Ended June 30, |  |  |  |  |  |
| 2020 |  |  |  | 2019 |  |  |  | 2020 |  |  |  | 2019 |  |
(in thousands) | Revenue |  | Percent |  | Revenue |  | Percent |  | Revenue |  | Percent |  | Revenue |  | Percent
United States of America | $ | 20,715 |  |  | 32 | % |  | $ | 20,862 |  |  | 33 | % |  | $ | 42,515 |  |  | 33 | % |  | $ | 40,642 |  |  | 34 | %
Europe | 17,682 |  |  | 28 | % |  | 18,720 |  |  | 29 | % |  | 37,612 |  |  | 29 | % |  | 36,007 |  |  | 30 | %
The rest of the world | 25,350 |  |  | 40 | % |  | 24,296 |  |  | 38 | % |  | 49,931 |  |  | 38 | % |  | 43,360 |  |  | 36 | %
Total revenue | $ | 63,747 |  |  | 100 | % |  | $ | 63,878 |  |  | 100 | % |  | $ | 130,058 |  |  | 100 | % |  | $ | 120,009 |  |  | 100 | %

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- Definition Revenue by Geography [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References No definition available. + Details
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