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Share-Based Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2019
Share-Based Compensation |
Schedule of Activity Related to Restricted Stock Granted under Company's Incentive Plan | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted Average
​ | ​ | Total | ​ | Grant Date
​ | ​ | Shares | ​ | Fair Value per Share
Outstanding as of December 31, 2018 |  | 460 | ​ | $ | 63.28
Granted |  | 152 | ​ | $ | 93.62
Vested |  | (174) | ​ | $ | 56.14
Forfeited, canceled or expired |  | (15) | ​ | $ | 82.43
Outstanding as of September 30, 2019 |  | 423 | ​ | $ | 76.43
Schedule of Activity Related to Stock Options Granted under Company's Incentive Plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Summary of Stock Options Outstanding
​ |  | ​ |  | Weighted |  | Weighted |  | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Average | ​ | ​ | ​
​ | ​ | ​ | ​ | Exercise | ​ | Remaining | ​ | Aggregate
​ | ​ | Total | ​ | Price per | ​ | Contractual | ​ | Intrinsic
​ | ​ | Shares | ​ | Share | ​ | Term (Years) | ​ | Value ($)(1)
Outstanding as of December 31, 2018 |  | 444 | ​ | $ | 16.66 | ​ | ​ | ​ | ​ | ​
Granted |  | — | ​ | $ | — |  |  |  | ​ |
Exercised |  | (208) | ​ | $ | 17.96 |  |  |  | ​ |
Forfeited, canceled or expired |  | — | ​ | $ | — |  |  |  | ​ |
Outstanding as of September 30, 2019 |  | 236 | ​ | $ | 15.51 |  | 1.41 | ​ | $ | 19,438
Exercisable as of September 30, 2019 |  | 236 | ​ | $ | 15.51 |  | 1.41 | ​ | $ | 19,438
(1) | Aggregate intrinsic value represents the value of the Company’s closing stock price on September 30, 2019 ($98.20) in excess of the exercise price multiplied by the number of shares underlying options outstanding or exercisable, as applicable.
Schedule of Share-Based Compensation Expense | The table below outlines share-based compensation expense for the nine months ended September 30, 2019 and 2018 related to restricted stock and stock options granted:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2019 |  | 2018
Technology and academic services | ​ | $ | 1,289 | ​ | $ | 1,195
Counseling support and services | ​ |  | 3,977 | ​ |  | 3,707
Marketing and communication | ​ |  | 64 | ​ |  | 40
General and administrative | ​ |  | 2,410 | ​ |  | 2,530
University related expenses | ​ |  | — | ​ |  | 9,594
Share-based compensation expense included in operating expenses | ​ |  | 7,740 | ​ |  | 17,066
Tax effect of share-based compensation | ​ |  | (1,935) | ​ |  | (4,267)
Share-based compensation expense, net of tax | ​ | $ | 5,805 | ​ | $ | 12,799

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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=116856206&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=116856206&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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