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Equity Awards (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	$ 5,868	$ 6,887	$ 17,195	$ 18,789
Tax benefit	1,544	1,835	4,518	5,002
Stock-based compensation expense, net of tax	4,324	5,052	12,677	13,787
Instructional and support costs
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	2,104	2,005	6,360	5,060
General and administration
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	3,724	4,813	10,647	13,455
Restructuring costs
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	$ 40	$ 69	$ 188	$ 274

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)
-Publisher FASB
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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
-Name Accounting Standards Codification
-Section 45
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