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Equity Awards (Tables)
6 Months Ended
Jun. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of stock-based compensation expense
The following table sets forth the amount of stock-based compensation expense recorded in each of the expense line items for the three and six months ended June 30, 2020 and 2021 (in thousands):
For the three months ended June 30,For the six months ended June 30,
2020202120202021
Instructional and support costs$1,356 $1,281 $2,386 $2,506 
General and administration2,503 3,368 4,498 6,043 
Restructuring costs— (481)— (481)
Stock-based compensation expense included in operating expense3,859 4,168 6,884 8,068 
Tax benefit993 1,131 1,770 2,131 
Stock-based compensation expense, net of tax$2,866 $3,037 $5,114 $5,937