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Significant Accounting Policies - Fiscal Year (Details)	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Significant Accounting Policies
Length of fiscal year	364 days	364 days	364 days
Minimum
Significant Accounting Policies
Length of fiscal year	364 days
Maximum
Significant Accounting Policies
Length of fiscal year	371 days

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

+ Details

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- Definition

Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

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No definition available.

+ Details

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