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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |  |  |
Beginning of Period | $ 44,627 | $ 28,756 | $ 22,524
Additions Charged to Costs and Expenses | 10,299 | 15,871 | 6,232
Deductions | 0 | 0 | 0
End of Period | $ 54,926 | $ 44,627 | $ 28,756

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- Definition Deductions + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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