Segment Reporting - Schedule of Non-cash items (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Non cash items included in segment income (loss) from operations by reportable segment
Depreciation and amortization	$ 11,195	$ 11,069
Restructuring costs	118	0
Restructuring costs	107	136
Stock-based compensation	5,471	5,329
U.S. Higher Education
Non cash items included in segment income (loss) from operations by reportable segment
Depreciation and amortization	7,625	7,828
Stock-based compensation	4,380	3,910
Australia / New Zealand
Non cash items included in segment income (loss) from operations by reportable segment
Depreciation and amortization	2,338	2,446
Stock-based compensation	355	894
Education Technology Services
Non cash items included in segment income (loss) from operations by reportable segment
Depreciation and amortization	1,114	795
Stock-based compensation	$ 629	$ 389