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Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 217,991 |  |
Amortizable Intangible Assets, Accumulated Amortization | (47,150) |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 752,860 | $ 137,500 | $ 137,500
Student Relationships [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | 161,900 |  |
Amortizable Intangible Assets, Accumulated Amortization | $ (42,943) |  |
Amortizable Intangible Assets, Weighted Average Amortization Period | 3 years |  |
Curriculum [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 56,091 |  |
Amortizable Intangible Assets, Accumulated Amortization | $ (4,207) |  |
Amortizable Intangible Assets, Weighted Average Amortization Period | 5 years |  |
Walden Trade Name [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 119,560 | 0 | 0
AUC Trade Name [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 17,100 | 17,100 | 17,100
Ross Trade Name [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 5,100 | 5,100 | 5,100
Chamberlain Title IV Eligibility And Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 1,200 | 1,200 | 1,200
Walden Title IV eligibility and accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 495,800 | 0 | 0
AUC Title IV Eligibility And Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 100,000 | 100,000 | 100,000
Ross Title IV Eligibility And Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 14,100 | $ 14,100 | $ 14,100

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