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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR CREDIT LOSSES (Details) - USD ($) |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 01, 2023 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Jun. 30, 2024 | Jun. 30, 2023 | Sep. 30, 2023
Loans Receivable, Net and Related Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |
Commercial relationships, description |  |  |  |  |  |  |  | Generally, the external consultant reviews commercial relationships greater than $500 thousand and/or criticized relationships greater than $250 thousand. |  |
Allowance for credit losses | $ 492,000 |  |  |  |  |  |  |  |  |
Provisions for credit losses |  | $ (54,000) |  |  | $ (81,000) |  |  | $ 441,000 | $ 432,000 |
Loan recoveries |  | 1,000 | $ 65,000 |  | $ 1,000 | $ 1,000 |  | 67,000 |  |
Allowance for credit losses |  | 7,700,000 |  |  |  |  |  | 7,700,000 |  | $ 8,300,000
Balance sheet commitments increased |  | 602,000 |  |  |  |  |  | 602,000 |  | $ 0
Residential Real Estate [Member] |  |  |  |  |  |  |  |  |  |
Loans Receivable, Net and Related Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |
Residential loans |  | $ 23,000 |  |  |  |  |  | 23,000 |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |
Loans Receivable, Net and Related Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |
Allowance for credit losses |  |  |  |  |  |  |  | 16,000 |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |
Loans Receivable, Net and Related Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |
Allowance for credit losses |  |  |  |  |  |  |  | $ 8,300,000 |  |

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