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Revenue Recognition - Schedule of Disaggregation of Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Consolidated revenue	$ 319,949	$ 305,958	$ 945,010	$ 908,474
U.S. Higher Education Segment
Disaggregation of Revenue [Line Items]
Consolidated revenue	213,067	207,709	649,710	643,558
U.S. Higher Education Segment | Tuition, net of discounts, grants and scholarships
Disaggregation of Revenue [Line Items]
Consolidated revenue	203,315	198,873	621,775	616,175
U.S. Higher Education Segment | Other
Disaggregation of Revenue [Line Items]
Consolidated revenue	9,752	8,836	27,935	27,383
Australia/New Zealand Segment
Disaggregation of Revenue [Line Items]
Consolidated revenue	68,589	71,948	185,993	190,453
Australia/New Zealand Segment | Tuition, net of discounts, grants and scholarships
Disaggregation of Revenue [Line Items]
Consolidated revenue	67,002	69,973	181,297	184,611
Australia/New Zealand Segment | Other
Disaggregation of Revenue [Line Items]
Consolidated revenue	1,587	1,975	4,696	5,842
Education Technology Services Segment
Disaggregation of Revenue [Line Items]
Consolidated revenue	$ 38,293	$ 26,301	$ 109,307	$ 74,463

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