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Share-Based Compensation (Tables)
6 Months Ended
Jun. 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 June 30,Six Months Ended June 30,
Income Statement Classification2021202020212020
Direct cost of revenues$2,666 $2,141 $7,731 $7,864 
Selling, general and administrative expenses2,409 2,725 6,932 5,936 
Total share-based compensation expense$5,075 $4,866 $14,663 $13,800