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Goodwill and Intangible Assets (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Segment) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2020
--- | --- | --- | ---
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets balances | $ 839,072 | $ 223,712 | $ 224,935
Chamberlain University Segment [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets balances | 1,200 | 1,200 | 1,200
Walden University |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets balances | 615,360 |  |
Medical and Veterinary [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets balances | 136,300 | 136,300 | 136,300
Financial Service [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets balances | $ 86,212 | $ 86,212 | $ 87,435

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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