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Loans Receivable And Allowance For Loan Losses - Narrative (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2023
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Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] |  |  |
Unamortized loan commitment and origination fees and unamortized discounts or premiums | $ 163 | $ 192 |
Adjustment to opening balance | 461 |  |
Non-accrual loans | 1,910 |  |
Non-accrual loans, ACL | 243 |  |
Non-accrual loans with no ACL | $ 2,210 |  |
TDR balance |  |  | $ 2,600

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