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Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation Expense | Total share-based compensation expense, net of forfeitures is detailed in the following table:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
Income Statement Classification |  | 2021 |  | 2020 |  | 2021 |  | 2020
Direct cost of revenues |  | $ | 2,441 |  |  | $ | 2,404 |  |  | $ | 10,172 |  |  | $ | 10,268 |
Selling, general and administrative expenses |  | 2,830 |  |  | 2,837 |  |  | 9,762 |  |  | 8,773 |
Total share-based compensation expense |  | $ | 5,271 |  |  | $ | 5,241 |  |  | $ | 19,934 |  |  | $ | 19,041 |

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