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Equity Awards (Tables) | 3 Months Ended
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Mar. 31, 2020
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, 2019 and 2020 (in thousands):
| For the three months ended March 31,
| 2019 |  | 2020
Instructional and support costs | $ | 858 |  |  | $ | 1,030 |
General and administration | 1,673 |  |  | 1,995 |
Merger and integration costs | 479 |  |  | — |
Stock-based compensation expense included in operating expense | 3,010 |  |  | 3,025 |
Tax benefit | 759 |  |  | 777 |
Stock-based compensation expense, net of tax | $ | 2,251 |  |  | $ | 2,248 |

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