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FAIR VALUE DISCLOSURES (Details) - Schedule of the Carrying Amount, Fair Value, and Placement in the Fair Value Hierarchy of Financial Instruments Carried At Cost or Amortized Cost - USD ($) $ in Thousands | Mar. 31, 2024 | Sep. 30, 2023
--- | --- | ---
Fair Value, Inputs, Level 1 [Member] |  |
Financial instruments - assets |  |
Investment securities held-to-maturity |  |
Loan receivable net allowance for credit losses |  |
Financial instruments - liabilities |  |
Certificates of deposit including retirement certificates |  |
Borrowings |  |
Fair Value, Inputs, Level 2 [Member] |  |
Financial instruments - assets |  |
Investment securities held-to-maturity | 74,104 | 73,728
Loan receivable net allowance for credit losses |  |
Financial instruments - liabilities |  |
Certificates of deposit including retirement certificates | 132,689 | 101,216
Borrowings | 27,768 | 28,177
Fair Value, Inputs, Level 3 [Member] |  |
Financial instruments - assets |  |
Investment securities held-to-maturity |  |
Loan receivable net allowance for credit losses | 716,318 | 664,331
Financial instruments - liabilities |  |
Certificates of deposit including retirement certificates |  |
Borrowings |  |
Reported Value Measurement [Member] |  |
Financial instruments - assets |  |
Investment securities held-to-maturity | 83,438 | 85,835
Loan receivable net allowance for credit losses | 734,018 | 689,070
Financial instruments - liabilities |  |
Certificates of deposit including retirement certificates | 134,955 | 104,668
Borrowings | 28,796 | 29,515
Estimate of Fair Value Measurement [Member] |  |
Financial instruments - assets |  |
Investment securities held-to-maturity | 74,104 | 73,728
Loan receivable net allowance for credit losses | 716,318 | 664,331
Financial instruments - liabilities |  |
Certificates of deposit including retirement certificates | 132,689 | 101,216
Borrowings | $ 27,768 | $ 28,177

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