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Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation Expense | Total share-based compensation expense, net of forfeitures, for the three and nine months ended September 30, 2020 and 2019 is detailed in the following table:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
Income Statement Classification | 2020 |  | 2019 |  | 2020 |  | 2019
Direct cost of revenues | $ | 2,404 |  |  | $ | 2,327 |  |  | $ | 10,268 |  |  | $ | 10,129 |
Selling, general and administrative expenses | 2,837 |  |  | 3,478 |  |  | 8,773 |  |  | 8,608 |
Total share-based compensation expense | $ | 5,241 |  |  | $ | 5,805 |  |  | $ | 19,041 |  |  | $ | 18,737 |

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