Property and Equipment, Net (Additional Information) (Details) - USD ($) $ in Thousands	Jul. 31, 2019	Sep. 30, 2021
Real Estate [Line Items]
Notes receivable		$ 22,821
Financing payables		$ 912
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%
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

The amount of cash inflow from proceeds from down payment on seller loan

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Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

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The principal amount of the receivable or note before consideration of the discount or premium.

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