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Collateral Dependent Loans Individually Evaluated (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Sep. 30, 2022
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Collateral Dependent Loans [Line Items] |  |
Financing Receivable, Individually Evaluated Collateral Depedent Loans | $ 963 | $ 170
Commercial Real Estate Collateral [Member] |  |
Collateral Dependent Loans [Line Items] |  |
Financing Receivable, Individually Evaluated Collateral Depedent Loans | 801 |
Business Assets Collateral [Member] |  |
Collateral Dependent Loans [Line Items] |  |
Financing Receivable, Individually Evaluated Collateral Depedent Loans | 162 |
Commercial and Industrial Loans [Member] |  |
Collateral Dependent Loans [Line Items] |  |
Financing Receivable, Individually Evaluated Collateral Depedent Loans | 162 |
Commercial and Industrial Loans [Member] | Business Assets Collateral [Member] |  |
Collateral Dependent Loans [Line Items] |  |
Financing Receivable, Individually Evaluated Collateral Depedent Loans | 162 |
Commercial Real Estate Loans, Total [Member] |  |
Collateral Dependent Loans [Line Items] |  |
Financing Receivable, Individually Evaluated Collateral Depedent Loans | 801 |
Commercial Real Estate Loans, Total [Member] | Commercial Real Estate Collateral [Member] |  |
Collateral Dependent Loans [Line Items] |  |
Financing Receivable, Individually Evaluated Collateral Depedent Loans | $ 801 |

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