Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total Revenue	$ 162,766	$ 152,895	$ 327,317	$ 307,327
Instructional services, net of grants and scholarships
Disaggregation of Revenue [Line Items]
Total Revenue	149,768	141,247	300,112	283,523
Graduation fees
Disaggregation of Revenue [Line Items]
Total Revenue	910	459	1,997	1,119
Textbook and other course materials
Disaggregation of Revenue [Line Items]
Total Revenue	10,867	10,181	22,689	20,645
Other fees
Disaggregation of Revenue [Line Items]
Total Revenue	1,221	1,008	2,519	2,040
Operating Segments
Disaggregation of Revenue [Line Items]
Total Revenue	159,386	146,491	320,259	296,729
Corporate and Other
Disaggregation of Revenue [Line Items]
Total Revenue	3,380	6,404	7,058	10,598
Corporate and Other | Instructional services, net of grants and scholarships
Disaggregation of Revenue [Line Items]
Total Revenue	3,380	6,404	7,058	10,598
Corporate and Other | Graduation fees
Disaggregation of Revenue [Line Items]
Total Revenue	0	0	0	0
Corporate and Other | Textbook and other course materials
Disaggregation of Revenue [Line Items]
Total Revenue	0	0	0	0
Corporate and Other | Other fees
Disaggregation of Revenue [Line Items]
Total Revenue	0	0	0	0
APUS | Operating Segments
Disaggregation of Revenue [Line Items]
Total Revenue	81,731	77,048	165,677	157,704
APUS | Operating Segments | Instructional services, net of grants and scholarships
Disaggregation of Revenue [Line Items]
Total Revenue	80,518	76,419	163,069	156,224
APUS | Operating Segments | Graduation fees
Disaggregation of Revenue [Line Items]
Total Revenue	910	459	1,997	1,119
APUS | Operating Segments | Textbook and other course materials
Disaggregation of Revenue [Line Items]
Total Revenue	0	0	0	0
APUS | Operating Segments | Other fees
Disaggregation of Revenue [Line Items]
Total Revenue	303	170	611	361
RU | Operating Segments
Disaggregation of Revenue [Line Items]
Total Revenue	59,521	53,034	118,772	106,169
RU | Operating Segments | Instructional services, net of grants and scholarships
Disaggregation of Revenue [Line Items]
Total Revenue	50,199	44,735	100,162	89,412
RU | Operating Segments | Graduation fees
Disaggregation of Revenue [Line Items]
Total Revenue	0	0	0	0
RU | Operating Segments | Textbook and other course materials
Disaggregation of Revenue [Line Items]
Total Revenue	8,714	7,782	17,315	15,693
RU | Operating Segments | Other fees
Disaggregation of Revenue [Line Items]
Total Revenue	608	517	1,295	1,064
HCN | Operating Segments
Disaggregation of Revenue [Line Items]
Total Revenue	18,134	16,409	35,810	32,856
HCN | Operating Segments | Instructional services, net of grants and scholarships
Disaggregation of Revenue [Line Items]
Total Revenue	15,671	13,689	29,823	27,289
HCN | Operating Segments | Graduation fees
Disaggregation of Revenue [Line Items]
Total Revenue	0	0	0	0
HCN | Operating Segments | Textbook and other course materials
Disaggregation of Revenue [Line Items]
Total Revenue	2,153	2,399	5,374	4,952
HCN | Operating Segments | Other fees
Disaggregation of Revenue [Line Items]
Total Revenue	$ 310	$ 321	$ 613	$ 615