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Equity Awards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	$ 5,856	$ 6,573	$ 11,327	$ 11,902
Tax benefit	1,539	1,742	2,974	3,167
Stock-based compensation expense, net of tax	4,317	4,831	8,353	8,735
Instructional and support costs
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	1,969	1,822	4,256	3,055
General and administration
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	3,846	4,682	6,923	8,642
Restructuring costs
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	$ 41	$ 69	$ 148	$ 205

X

- Definition

Amount, after tax, of expense for award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
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+ References

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Amount of noncash expense for share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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