Segment Reporting - Schedule of Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues
Revenues	$ 290,250	$ 256,606
Income (loss) from operations
Consolidated income (loss) from operations	41,356	(1,349)
Amortization of intangible assets	0	(3,532)
Merger and integration costs	0	(425)
Segment Reconciling Items
Income (loss) from operations
Amortization of intangible assets	0	(3,532)
Merger and integration costs	0	(425)
Restructuring costs	5,510	(5,595)
U.S. Higher Education
Revenues
Revenues	219,236	196,895
U.S. Higher Education | Operating Segments
Revenues
Revenues	219,236	196,895
Income (loss) from operations
Consolidated income (loss) from operations	28,013	9,589
Australia / New Zealand
Revenues
Revenues	47,375	41,503
Australia / New Zealand | Operating Segments
Revenues
Revenues	47,375	41,503
Income (loss) from operations
Consolidated income (loss) from operations	(2,255)	(7,182)
Education Technology Services
Revenues
Revenues	23,639	18,208
Education Technology Services | Operating Segments
Revenues
Revenues	23,639	18,208
Income (loss) from operations
Consolidated income (loss) from operations	$ 10,088	$ 5,796