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INVESTMENT SECURITIES - Schedule of Unrealized Losses for which an Allowance for Credit Loss (Details) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($)
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Number of Securities | 8 | 9
Fair Value | $ 6,810 | $ 7,638
Unrealized Losses | $ (1,090) | $ (1,208)
Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Number of Securities | 1 | 1
Fair Value | $ 82 | $ 88
Unrealized Losses | $ (8) | $ (6)
Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Number of Securities | 7 | 8
Fair Value | $ 6,728 | $ 7,550
Unrealized Losses | (1,082) | (1,202)
Less Than 12 Months [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Fair Value |  |
Unrealized Losses |  |
Less Than 12 Months [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Fair Value |  |
Unrealized Losses |  |
Less Than 12 Months [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Fair Value |  |
Unrealized Losses |  |
Twelve Months Or Greater [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Fair Value | 6,810 | 7,638
Unrealized Losses | (1,090) | (1,208)
Twelve Months Or Greater [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Fair Value | 82 | 88
Unrealized Losses | (8) | (6)
Twelve Months Or Greater [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] |  |
Schedule of Unrealized Losses for which an Allowance for Credit Loss [Line Items] |  |
Fair Value | 6,728 | 7,550
Unrealized Losses | $ (1,082) | $ (1,202)

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