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Commitments and Contingencies (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Operating Leased Assets [Line Items] |  |  |
Educational services and facilities | $ 384,529 | $ 329,870 | $ 207,233
Net prepaid expenses from excess of credits earned over credits used | 300 | 1,900 |
Accrued tool sets | 4,807 | 4,096 |
Liability to vendor for vouchers redeemed by students | 600 | 500 |
Surety Bond |  |  |
Operating Leased Assets [Line Items] |  |  |
Maximum principal amount | 22,900 |  |
Licensing Agreement |  |  |
Operating Leased Assets [Line Items] |  |  |
Educational services and facilities | $ 2,400 | $ 2,300 | $ 2,100

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