Revenue - Narrative (Details) - USD ($)	1 Months Ended					12 Months Ended
	Feb. 28, 2026	Oct. 31, 2024	Apr. 30, 2024	Apr. 30, 2023	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Scholarship assistance						$ 36,500,000	$ 29,900,000	$ 80,700,000
Contract assets						0	0
Deferred revenue and student deposits						23,016,000	23,474,000
APUS
Disaggregation of Revenue [Line Items]
Graduation fee per degree		$ 250		$ 150	$ 100
Tuition, preferred military rate, per credit hour						250
APUS | Subsequent Event
Disaggregation of Revenue [Line Items]
Graduation fee per degree	$ 350
Veteran Grant | APUS
Disaggregation of Revenue [Line Items]
Tuition grant, percentage funded by subsidiary				10.00%
Veteran Grant, Mater's Level | APUS
Disaggregation of Revenue [Line Items]
Tuition grant, percentage funded by subsidiary			15.00%
Veteran Grant, Opportunity Grant | APUS
Disaggregation of Revenue [Line Items]
Tuition grant, percentage funded by subsidiary			10.00%
Affordability Grant | HCN
Disaggregation of Revenue [Line Items]
Institutional affordability grant, limit to student's monthly payment						200
Institutional affordability grant, maximum award, per month						200
Institutional affordability grant, maximum award, per term						600
Future Courses
Disaggregation of Revenue [Line Items]
Deferred revenue and student deposits						23,000,000.0	23,500,000
Student deposit amount						8,000,000.0	9,400,000
Courses in Progress
Disaggregation of Revenue [Line Items]
Student deposit amount						15,000,000.0	14,100,000
HCN
Disaggregation of Revenue [Line Items]
Refund liability						$ 0	$ 0
Instructional services, net of grants and scholarships
Disaggregation of Revenue [Line Items]
Number of days of bill date to receive payment						30 days
Instructional services, net of grants and scholarships | HCN
Disaggregation of Revenue [Line Items]
Term of instruction						3 months
Instructional services, net of grants and scholarships | RU
Disaggregation of Revenue [Line Items]
Term of instruction						3 months
Instructional services, net of grants and scholarships | APUS | Minimum
Disaggregation of Revenue [Line Items]
Term of instruction						56 days
Instructional services, net of grants and scholarships | APUS | Maximum
Disaggregation of Revenue [Line Items]
Term of instruction						112 days
Textbook and other course materials | HCN
Disaggregation of Revenue [Line Items]
Number of days of bill date to receive payment						30 days