Segment Reporting - Additional Information (Detail)	Dec. 31, 2016 Cmp
CTU [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	60.00%
AIU [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	32.00%
Culinary Arts [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	6.00%
Transitional Group [Member]
Segment Reporting Information [Line Items]
Students enrolled expressed as percentage of enrollment	2.00%
Number of campuses completed teach out activities	12
Fully Online [Member] | CTU [Member]
Segment Reporting Information [Line Items]
Percentage of enrollment	92.00%
Fully Online [Member] | AIU [Member]
Segment Reporting Information [Line Items]
Percentage of enrollment	94.00%