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Discontinued Operations and Assets Held for Sale (Additional Information) (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 11, 2018 USD ($) | Dec. 11, 2018 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) lease | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
Earn Out Received |  |  |  | $ 2,900 |  |  |
Cash balance |  |  |  | $ 48,450 | $ 48,450 | $ 18,236 | $ 33,389
Wendel Group and Colibri Group [Member] | Equity Purchase Agreement [Member] | Scenario, Plan [Member] |  |  |  |  |  |  |
Sale of stock |  |  | $ 1,000,000 |  |  |  |
DeVry University [Member] |  |  |  |  |  |  |
Earn Out Term | 10 years |  |  |  |  |  |
Earn Out Maximum | $ 20,000 |  |  |  |  |  |
Receivable with Imputed Interest, Face Amount | $ 10,000 | $ 10,000 |  |  |  |  |
Receivable with Imputed Interest, Effective Yield (Interest Rate) | 4.00% | 4.00% |  |  |  |  |
Receivable with Imputed Interest, Due Date | Jan. 01, 2022 | Jan. 01, 2022 |  |  |  |  |
Operating lease, option to extend |  |  |  |  | true |  |
Lessor, Operating Lease, Number Of Contracts Without Option To Extend | lease |  |  |  |  | 1 |  |
Lessee, Operating Lease, Term of Contract |  |  |  | 1 year | 1 year |  |

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