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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of Revenue by Geographic Region | Revenue by geographic region for the years ended December 31, 2021, 2020, and 2019 were as follows:
| Year Ended December 31,
(in thousands) | 2021 |  | 2020 |  | 2019
Americas | $ | 344,619 |  |  | $ | 280,028 |  |  | $ | 323,085 |
EMEA | 201,684 |  |  | 213,575 |  |  | 240,403 |
APAC | 69,336 |  |  | 63,637 |  |  | 72,866 |
Total | $ | 615,639 |  |  | $ | 557,240 |  |  | $ | 636,354 |
United States (Included in Americas above) | $ | 341,123 |  |  | $ | 275,145 |  |  | $ | 313,910 |

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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=123359005&loc=d3e9038-108599 + Details
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