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Property and Equipment, Net (Additional Information) (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 27, 2019 | Jul. 31, 2019 | Mar. 31, 2021 | Mar. 31, 2020 | Sep. 30, 2019 | Mar. 31, 2021 | Mar. 31, 2020
Real Estate [Line Items] |  |  |  |  |  |  |
Proceeds From Down Payment on Seller Loan |  |  |  |  |  | $ 0 | $ 5,200
Notes receivable |  |  |  | $ 52,507 |  |  | 52,507
Financing payables |  |  |  | 12,194 |  |  | 12,194
Proceeds from Sales of Assets, Investing Activities |  |  |  |  |  | 0 | 6,421
Realized Gain on Sale of Assets |  |  | $ 0 | $ 0 |  | $ 0 | $ 4,779
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus [Member] |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |
Proceeds from disposal |  | $ 52,000 |  |  |  |  |
Proceeds From Down Payment on Seller Loan |  | 5,200 |  |  | $ 5,200 |  |
Receivable with Imputed Interest, Face Amount |  | $ 46,800 |  |  |  |  |
Receivable with Imputed Interest, Effective Yield (Interest Rate) |  | 4.00% |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus [Member] | Other Noncurrent Assets |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |
Notes receivable |  | $ 40,300 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus [Member] | Other Liabilities |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |
Financing payables |  | $ 45,500 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Columbus, Ohio Campus |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |
Proceeds from Sales of Assets, Investing Activities | $ 6,400 |  |  |  |  |  |
Discontinued Operations, Held-for-sale [Member] | Columbus, Ohio Campus |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |
Realized Gain on Sale of Assets | $ 4,800 |  |  |  |  |  |

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