Revenue (Disaggregate revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 354,559	$ 289,070
Tuition and fees
Disaggregation of Revenue [Line Items]
Revenue	351,820	286,731
Other
Disaggregation of Revenue [Line Items]
Revenue	2,739	2,339
Chamberlain
Disaggregation of Revenue [Line Items]
Revenue	135,405	135,639
Chamberlain \| Tuition and fees
Disaggregation of Revenue [Line Items]
Revenue	135,405	135,639
Chamberlain \| Other
Disaggregation of Revenue [Line Items]
Revenue	0	0
Walden University
Disaggregation of Revenue [Line Items]
Revenue	130,901	68,617
Walden University \| Tuition and fees
Disaggregation of Revenue [Line Items]
Revenue	130,901	68,617
Walden University \| Other
Disaggregation of Revenue [Line Items]
Revenue	0	0
Medical and Veterinary
Disaggregation of Revenue [Line Items]
Revenue	88,253	84,814
Medical and Veterinary \| Tuition and fees
Disaggregation of Revenue [Line Items]
Revenue	85,514	82,475
Medical and Veterinary \| Other
Disaggregation of Revenue [Line Items]
Revenue	$ 2,739	$ 2,339

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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-Name Accounting Standards Codification
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+ Details