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Equity Awards (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 30, 2018 and 2019 (in thousands):
| For the three months ended September 30, |  | For the nine months ended September 30,
| 2018 |  | 2019 |  | 2018 |  | 2019
Instructional and support costs | $ | 703 |  |  | $ | 945 |  |  | $ | 1,821 |  |  | $ | 2,820 |
General and administration | 2,869 |  |  | 2,077 |  |  | 7,688 |  |  | 5,888 |
Merger and integration costs | 2,272 |  |  | (523 | ) |  | 2,272 |  |  | 367 |
Stock-based compensation expense included in operating expense | 5,844 |  |  | 2,499 |  |  | 11,781 |  |  | 9,075 |
Tax benefit | 1,607 |  |  | 651 |  |  | 3,253 |  |  | 2,333 |
Stock-based compensation expense, net of tax | $ | 4,237 |  |  | $ | 1,848 |  |  | $ | 8,528 |  |  | $ | 6,742 |

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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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