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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR CREDIT LOSSES - Schedule of Loan Portfolio (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Sep. 30, 2024
One-to-Four Family Residential [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | $ 10,321 | $ 32,624
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 33,408 | 42,084
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 40,444 | 31,805
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 30,058 | 25,970
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 24,262 | 29,998
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 107,453 | 83,378
Revolving Loans Amortized Cost Basis | 1,547 | 342
Revolving Loans Converted to Term |  |
Total | 247,493 | 246,201
One-to-Four Family Residential [Member] | Revolving Credit Facility [Member] |  |
One-to-four family residential |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Commercial Real Estate [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 43,117 | 88,597
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 87,468 | 84,674
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 89,687 | 66,412
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 66,537 | 64,573
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 57,246 | 29,568
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 146,977 | 122,845
Revolving Loans Amortized Cost Basis | 4,204 | 3,718
Revolving Loans Converted to Term |  | 932
Total | 495,236 | 461,319
Commercial Real Estate [Member] | Revolving Credit Facility [Member] |  |
One-to-four family residential |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  | 5,650
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 9,522 | 10,061
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 2,448 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  | 1,156
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 5,527 | 4,069
Revolving Loans Amortized Cost Basis |  | 1,786
Revolving Loans Converted to Term |  |
Total | 17,497 | 22,722
Construction and Land [Member] | Revolving Credit Facility [Member] |  |
One-to-four family residential |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Home Equity Loan [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 631 | 1,585
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,365 | 1,561
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 1,494 | 1,600
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 1,702 | 309
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 852 | 247
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 2,372 | 1,220
Revolving Loans Amortized Cost Basis | 18,793 | 17,902
Revolving Loans Converted to Term |  | 304
Total | 27,209 | 24,728
Home Equity Loan [Member] | Revolving Credit Facility [Member] |  |
One-to-four family residential |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Commercial Business [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 249 | 2,062
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,300 | 507
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 487 | 2,517
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 2,116 | 2,298
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 1,115 | 802
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 2,669 | 2,565
Revolving Loans Amortized Cost Basis | 13,109 | 13,072
Revolving Loans Converted to Term |  | 188
Total | 21,045 | 24,011
Commercial Business [Member] | Revolving Credit Facility [Member] |  |
One-to-four family residential |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Other [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 74 | 61
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 20 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  | 47
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 36 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  | 9
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 1,428 | 1,771
Revolving Loans Amortized Cost Basis | 194 | 347
Revolving Loans Converted to Term |  |
Total | 1,752 | 2,235
Other [Member] | Revolving Credit Facility [Member] |  |
One-to-four family residential |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Current period gross charge-offs |  |
Performing [Member] | One-to-Four Family Residential [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 10,321 | 32,624
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 33,408 | 42,084
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 40,363 | 31,711
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 30,058 | 25,970
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 24,262 | 29,976
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 107,453 | 83,378
Revolving Loans Amortized Cost Basis | 1,547 | 342
Revolving Loans Converted to Term |  |
Total | 247,412 | 246,085
Performing [Member] | Home Equity Loan [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 631 | 1,585
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,365 | 1,561
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 1,494 | 1,600
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 1,702 | 309
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 852 | 247
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 2,372 | 1,220
Revolving Loans Amortized Cost Basis | 18,793 | 17,902
Revolving Loans Converted to Term |  | 304
Total | 27,209 | 24,728
Performing [Member] | Other [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 74 | 61
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 20 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  | 47
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 36 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  | 9
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 1,428 | 1,771
Revolving Loans Amortized Cost Basis | 194 | 347
Revolving Loans Converted to Term |  |
Total | 1,752 | 2,235
Non-performing [Member] | One-to-Four Family Residential [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 81 | 94
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  | 22
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 81 | 116
Non-performing [Member] | Home Equity Loan [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Non-performing [Member] | Other [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Pass [Member] | Commercial Real Estate [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 43,117 | 88,597
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 87,468 | 84,674
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 89,687 | 66,412
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 66,537 | 64,573
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 57,246 | 29,568
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 146,977 | 122,605
Revolving Loans Amortized Cost Basis | 4,204 | 3,718
Revolving Loans Converted to Term |  | 932
Total | 495,236 | 461,079
Pass [Member] | Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  | 5,650
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 9,522 | 10,061
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 2,448 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  | 1,156
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 5,527 | 4,069
Revolving Loans Amortized Cost Basis |  | 1,786
Revolving Loans Converted to Term |  |
Total | 17,497 | 22,722
Pass [Member] | Commercial Business [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 249 | 2,062
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,300 | 507
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 487 | 2,517
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 2,116 | 2,298
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 | 1,115 | 802
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 2,669 | 2,565
Revolving Loans Amortized Cost Basis | 13,109 | 13,072
Revolving Loans Converted to Term |  | 188
Total | 21,045 | 24,011
Special Mention [Member] | Commercial Real Estate [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  | 124
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  | 124
Special Mention [Member] | Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Special Mention [Member] | Commercial Business [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Substandard [Member] | Commercial Real Estate [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  | 116
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  | 116
Substandard [Member] | Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Substandard [Member] | Commercial Business [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Doubtful [Member] | Commercial Real Estate [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Doubtful [Member] | Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Doubtful [Member] | Commercial Business [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |

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