Segment Information - Summary of Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 19,303	$ 27,816	$ 32,127
Interest expense, net	(2,127)	(4,459)	(17,728)
Income tax (benefit) expense	10,419	(10,715)	(36,276)
Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	18,109	27,164	31,537
Interest expense, net	1,773	1,988	321
Income tax (benefit) expense	18,996	(2,784)	(26,212)
Operating Segments | APUS Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	4,828	5,284	6,373
Interest expense, net	1,563	1,882	219
Income tax (benefit) expense	24,577	23,530	16,465
Operating Segments | RU Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	11,577	20,627	24,206
Interest expense, net	(6)	11	79
Income tax (benefit) expense	(5,519)	(26,103)	(41,651)
Operating Segments | HCN Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	1,704	1,253	958
Interest expense, net	216	95	23
Income tax (benefit) expense	(62)	(211)	(1,026)
Corporate and Other
Segment Reporting Information [Line Items]
Depreciation and amortization	1,194	652	590
Interest expense, net	(3,900)	(6,447)	(18,049)
Income tax (benefit) expense	$ (8,577)	$ (7,931)	$ (10,064)