Concentration - Summary of Segment Revenue Derived from Students by Primary Funding Source (Details) - Revenue - Customer Concentration Risk	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
APUS | DoD tuition assistance programs
Concentration Risk [Line Items]
Concentration risk percentage	41.00%	46.00%	48.00%
APUS | VA education benefits
Concentration Risk [Line Items]
Concentration risk percentage	26.00%	24.00%	22.00%
APUS | Title IV programs
Concentration Risk [Line Items]
Concentration risk percentage	19.00%	17.00%	17.00%
APUS | Cash and other sources
Concentration Risk [Line Items]
Concentration risk percentage	14.00%	13.00%	13.00%
RU Segment | VA education benefits
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	2.00%	2.00%
RU Segment | Title IV programs
Concentration Risk [Line Items]
Concentration risk percentage	78.00%	76.00%	75.00%
RU Segment | Cash and other sources
Concentration Risk [Line Items]
Concentration risk percentage	20.00%	22.00%	23.00%
HCN Segment | VA education benefits
Concentration Risk [Line Items]
Concentration risk percentage	1.00%	1.00%	2.00%
HCN Segment | Title IV programs
Concentration Risk [Line Items]
Concentration risk percentage	85.00%	84.00%	82.00%
HCN Segment | Cash and other sources
Concentration Risk [Line Items]
Concentration risk percentage	14.00%	15.00%	16.00%