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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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