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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | Revenue disaggregated by customer profile is as follows:
| Three Months Ended | Six Months Ended
| June 30, 2021 | June 30, 2020 |  | June 30, 2021 | June 30, 2020
| (in thousands) |  | (in thousands)
Top client | $ | 110,356 |  | $ | 74,932 |  |  | $ | 274,650 |  | $ | 156,199 |
Clients 2-5 | 246,094 |  | 179,018 |  |  | 475,994 |  | 381,996 |
Clients 6-10 | 116,237 |  | 86,449 |  |  | 239,130 |  | 160,800 |
Clients 11-25 | 158,577 |  | 101,417 |  |  | 296,432 |  | 231,501 |
Other | 239,891 |  | 178,412 |  |  | 443,147 |  | 404,834 |
Total | $ | 871,155 |  | $ | 620,228 |  |  | $ | 1,729,353 |  | $ | 1,335,330 |

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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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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