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Property and Equipment, Net (Additional Information) (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 31, 2019 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2024 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
Real Estate [Line Items] |  |  |  |  |  |  |  |  |
Depreciation expense |  | $ 9,338 | $ 19,381 | $ 21,427 | $ 29,879 | $ 31,506 | $ 39,676 | $ 41,376 | $ 44,574
Carrying value |  |  | 8,400 |  |  |  |  |  |
Estimated fair value less cost |  |  | $ 7,800 |  |  |  | 7,825 | 0 |
Impairment of Long-Lived Assets to be Disposed of |  |  |  |  |  |  | 647 | 0 | 0
Proceeds from note receivable related to property sold |  |  |  |  |  |  | 0 | 46,800 | 0
Realized Gain on Sale of Assets |  |  |  |  |  |  | 0 | 13,317 | 0
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus |  |  |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from disposal | $ 52,000 |  |  |  |  |  |  |  |
Proceeds From Down Payment on Seller Loan | 5,200 |  |  |  |  |  |  |  |
Receivable with Imputed Interest, Face Amount | $ 46,800 |  |  |  |  |  |  |  |
Receivable with Imputed Interest, Effective Yield (Interest Rate) | 4.00% |  |  |  |  |  |  |  |
Proceeds from note receivable related to property sold |  |  |  |  |  |  |  | 46,800 |
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus | Other Noncurrent Assets |  |  |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |  |  |
Notes receivable | $ 40,300 |  |  |  |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus | Other Liabilities |  |  |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |  |  |
Financing payables | $ 45,500 |  |  |  |  |  |  |  |
Corporate, Non-Segment [Member] |  |  |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |  |  |
Depreciation expense |  |  |  |  |  |  | $ 1,552 | 2,344 | $ 2,882
Corporate, Non-Segment [Member] | Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus |  |  |  |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |  |  |  |
Realized Gain on Sale of Assets |  |  |  |  |  |  |  | $ 13,300 |

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