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Share-Based Compensation Plans - Share-Based Compensation Expense (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Share-based Compensation Expense
Share-based compensation expense	$ 5,959	$ 5,334
Tax effect of share-based compensation	(1,490)	(1,334)
Share-based compensation expense, net of tax	4,469	4,000
Technology and Academic Services
Share-based Compensation Expense
Share-based compensation expense	1,158	1,026
Counseling Services and Support
Share-based Compensation Expense
Share-based compensation expense	2,971	2,694
Marketing and Communication
Share-based Compensation Expense
Share-based compensation expense	51	50
University related expenses
Share-based Compensation Expense
Share-based compensation expense	$ 1,779	$ 1,564

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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