v3.25.4

Transactions with Affiliated Companies - Additional Information (Details) | 12 Months Ended
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Sep. 30, 2025
Minimum |
Investments In And Advances To Affiliates [Line Items] |
Ownership percentage of voting securities | 5.00%
Controlled Affiliates | Maximum |
Investments In And Advances To Affiliates [Line Items] |
Ownership percentage of voting securities | 25.00%
Non-Controlled Affiliates | Minimum |
Investments In And Advances To Affiliates [Line Items] |
Ownership percentage of voting securities | 5.00%
Non-Controlled Affiliates | Maximum |
Investments In And Advances To Affiliates [Line Items] |
Ownership percentage of voting securities | 25.00%

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- Definition Ownership percentage of voting securities. + References No definition available. + Details
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Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |