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Share-Based Compensation Plans - Share-Based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Share-based Compensation Expense |  |
Share-based compensation expense | $ 3,369 | $ 3,190
Tax effect of share-based compensation | (842) | (798)
Share-based compensation expense, net of tax | 2,527 | 2,392
Technical and Academic Services |  |
Share-based Compensation Expense |  |
Share-based compensation expense | 678 | 594
Counseling Support and Services |  |
Share-based Compensation Expense |  |
Share-based compensation expense | 1,743 | 1,583
Marketing and Communication |  |
Share-based Compensation Expense |  |
Share-based compensation expense | 48 | 35
General and Administrative |  |
Share-based Compensation Expense |  |
Share-based compensation expense | $ 900 | $ 978

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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