Revenue (Disaggregate revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 371,198	$ 234,396	$ 660,268	$ 453,222
Tuition [Member]
Disaggregation of Revenue [Line Items]
Revenue	342,106	214,291	606,234	413,180
Fees And Educational Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,142	19,854	48,745	39,253
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,950	251	5,289	789
Chamberlain University Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	139,121	141,977	274,760	275,741
Chamberlain University Segment [Member] | Tuition [Member]
Disaggregation of Revenue [Line Items]
Revenue	121,549	123,485	239,935	239,581
Chamberlain University Segment [Member] | Fees And Educational Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	17,572	18,492	34,825	36,160
Chamberlain University Segment [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Walden University
Disaggregation of Revenue [Line Items]
Revenue	140,627	0	209,244	0
Walden University | Tuition [Member]
Disaggregation of Revenue [Line Items]
Revenue	133,493	0	198,111	0
Walden University | Fees And Educational Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,134	0	11,133	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	91,450	92,419	176,264	177,481
Medical and Veterinary [Member] | Tuition [Member]
Disaggregation of Revenue [Line Items]
Revenue	87,064	90,806	168,188	173,599
Medical and Veterinary [Member] | Fees And Educational Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,436	1,362	2,787	3,093
Medical and Veterinary [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 2,950	$ 251	$ 5,289	$ 789