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Basis of presentation and description of business (Tables) | 9 Months Ended
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Sep. 30, 2020
Basis of presentation and description of business |
Schedule of revenue by geographic location | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
​ | ​ | (in thousands)
Revenue: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
The Americas | ​ | $ | 54,631 | ​ | $ | 42,459 | ​ | $ | 149,806 | ​ | $ | 112,980
Europe, the Middle East, India, and Africa | ​ |  | 11,754 | ​ |  | 9,313 | ​ |  | 32,483 | ​ |  | 25,972
Asia Pacific | ​ |  | 4,019 | ​ |  | 2,796 | ​ |  | 10,736 | ​ |  | 8,054
​ | ​ | $ | 70,404 | ​ | $ | 54,568 | ​ | $ | 193,025 | ​ | $ | 147,006

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 + Details
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