Revenue (Disaggregate revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 365,623	$ 230,213	$ 1,025,891	$ 683,435
Tuition and fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	362,854	229,421	1,017,833	681,854
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,769	792	8,058	1,581
Chamberlain University Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	142,550	146,313	417,310	422,054
Chamberlain University Segment [Member] | Tuition and fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	142,550	146,313	417,310	422,054
Chamberlain University Segment [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Walden University
Disaggregation of Revenue [Line Items]
Revenue	139,081	0	348,325	0
Walden University | Tuition and fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	139,081	0	348,325	0
Walden University | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Medical and Veterinary [Member]
Disaggregation of Revenue [Line Items]
Revenue	83,992	83,900	260,256	261,381
Medical and Veterinary [Member] | Tuition and fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	81,223	83,108	252,198	259,800
Medical and Veterinary [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 2,769	$ 792	$ 8,058	$ 1,581