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Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ (1,813) | $ (1,067)
Gross Carrying Value | 20,042 | 20,042
Net Book Value | $ 18,229 | $ 18,975
Weighted Average Remaining Useful Life (Years) | 3 years 7 months 6 days | 4 years 6 months 14 days
Trademarks, trade names and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | $ 1,942 | $ 1,942
Accumulated Amortization | (1,066) | (680)
Finite-lived intangible assets, net book value | $ 876 | $ 1,262
Weighted Average Remaining Useful Life (Years) | 4 years 3 months 29 days | 5 years 2 months 1 day
Curriculum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | $ 1,800 | $ 1,800
Accumulated Amortization | (747) | (387)
Finite-lived intangible assets, net book value | $ 1,053 | $ 1,413
Weighted Average Remaining Useful Life (Years) | 3 years | 3 years 11 months 23 days
Accreditations and regulatory approvals |  |
Finite-Lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets, gross carrying amount | $ 16,300 | $ 16,300
Indefinite-lived intangible assets, net book value | $ 16,300 | $ 16,300

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