Commitments and Contingencies (Details) - USD ($) $ in Millions	Dec. 31, 2022	Sep. 30, 2022
Concorde Career Colleges Inc
Operating Leased Assets [Line Items]
Amount contributed to surety bond	$ 4.6
Surety Bond
Operating Leased Assets [Line Items]
Maximum principal amount	$ 29.6	$ 20.5

Face (par) amount of debt instrument at time of issuance.

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