Nature of the Business - Narrative (Details)	3 Months Ended	6 Months Ended
	Mar. 31, 2022 campus course segment state	Jun. 30, 2021 segment
Segment Reporting Information [Line Items]
Number of courses | course	300
Number of reportable segments | segment	3	2
RU Segment
Segment Reporting Information [Line Items]
Number of campuses	23
Number of states | state	6
HCN Segment | Ohio
Segment Reporting Information [Line Items]
Number of campuses	6
HCN Segment | INDIANA
Segment Reporting Information [Line Items]
Number of campuses	1