Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Accounting Policies [Abstract]
Impairment, long-lived asset, held-for-use	$ 0	$ 0	$ 0

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Name:	us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration