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Equity Awards (Tables) | 6 Months Ended
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Jun. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [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, 2018 and 2019 (in thousands):
| For the three months ended June 30, |  | For the six months ended June 30,
| 2018 |  | 2019 |  | 2018 |  | 2019
Instructional and support costs | $ | 499 |  |  | $ | 1,017 |  |  | $ | 1,118 |  |  | $ | 1,875 |
General and administration | 2,751 |  |  | 2,138 |  |  | 4,819 |  |  | 3,811 |
Merger and integration costs | — |  |  | 411 |  |  | — |  |  | 890 |
Stock-based compensation expense included in operating expense | 3,250 |  |  | 3,566 |  |  | 5,937 |  |  | 6,576 |
Tax benefit | 894 |  |  | 923 |  |  | 1,646 |  |  | 1,682 |
Stock-based compensation expense, net of tax | $ | 2,356 |  |  | $ | 2,643 |  |  | $ | 4,291 |  |  | $ | 4,894 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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