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Equity Awards (Tables) | 3 Months Ended
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Mar. 31, 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 months ended March 31, 2020 and 2021 (in thousands):
| For the three months ended March 31, |  |
| 2020 |  | 2021 |  |  |  |
Instructional and support costs | $ | 1,030 |  |  | $ | 1,225 |  |  |  |  |
General and administration | 1,995 |  |  | 2,675 |  |  |  |  |
Stock-based compensation expense included in operating expense | 3,025 |  |  | 3,900 |  |  |  |  |
Tax benefit | 777 |  |  | 1,000 |  |  |  |  |
Stock-based compensation expense, net of tax | $ | 2,248 |  |  | $ | 2,900 |  |  |  |  |

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