Segment Reporting - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2022 Segment University
Segment Reporting Information [Line Items]
Number of reporting segments | Segment	2
CTU [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	63.00%
CTU [Member] | Fully Online [Member]
Segment Reporting Information [Line Items]
Percentage of enrollment	95.00%
AIUS [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	37.00%
Number of Universities | University	2
AIUS [Member] | Fully Online [Member]
Segment Reporting Information [Line Items]
Percentage of enrollment	97.00%