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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, 2026 | Sep. 30, 2025
One-to-four family residential [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | $ 12,972 | $ 18,873
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 18,514 | 32,165
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 31,387 | 36,663
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 24,585 | 28,555
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 28,035 | 23,556
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 118,941 | 102,642
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 234,434 | 242,454
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 |  |
One-to-four family residential [Member] | Performing [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 12,972 | 18,873
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 18,514 | 31,952
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 31,387 | 36,663
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 24,372 | 28,465
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 28,035 | 23,556
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 118,941 | 102,642
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 234,221 | 242,151
One-to-four family residential [Member] | Non-performing [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 |  |
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 | 213 | 90
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 213 | 303
Commercial Real Estate [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 36,485 | 111,456
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 107,580 | 86,068
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 85,673 | 70,546
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 69,159 | 63,996
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 62,676 | 54,060
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 187,481 | 140,977
Revolving Loans Amortized Cost Basis | 8,073 | 6,110
Revolving Loans Converted to Term |  |
Total | 557,764 | 533,213
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 2026/ 2025 | 7,635 | 10,037
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 12,961 | 12,982
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 12,252 | 3,405
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 Prior | 2,166 | 2,863
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 35,714 | 29,287
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 loans and lines of credit [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 196 | 492
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 452 | 1,181
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,052 | 1,419
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 770 | 1,523
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 1,484 | 265
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 1,246 | 1,090
Revolving Loans Amortized Cost Basis | 25,110 | 25,808
Revolving Loans Converted to Term |  |
Total | 30,310 | 31,778
Home equity loans and lines of credit [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 loans and lines of credit [Member] | Performing [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 196 | 492
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 452 | 1,181
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,052 | 1,271
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 689 | 1,523
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 1,484 | 265
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 1,246 | 1,090
Revolving Loans Amortized Cost Basis | 25,110 | 25,808
Revolving Loans Converted to Term |  |
Total | 30,229 | 31,630
Home equity loans and lines of credit [Member] | Non-performing [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 |  | 148
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 Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 81 | 148
Commercial Business [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 1,200 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 484 | 1,195
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,053 | 465
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 441 | 2,001
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 1,897 | 1,061
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 2,986 | 2,270
Revolving Loans Amortized Cost Basis | 11,678 | 12,240
Revolving Loans Converted to Term | 139 | 147
Total | 19,878 | 20,048
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 2026/ 2025 | 200 | 464
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 2 | 18
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 Prior | 1,416 | 1,423
Revolving Loans Amortized Cost Basis | 192 |
Revolving Loans Converted to Term |  |
Total | 1,842 | 2,119
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 |  |
Other [Member] | Performing [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 200 | 464
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 2 | 18
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 Prior | 1,416 | 1,423
Revolving Loans Amortized Cost Basis | 192 |
Revolving Loans Converted to Term |  |
Total | 1,842 | 2,119
Other [Member] | Non-performing [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 |  |
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 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 2026/ 2025 | 36,485 | 111,456
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 107,580 | 86,068
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 85,438 | 70,546
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 68,105 | 63,905
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 62,586 | 54,060
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 185,929 | 140,866
Revolving Loans Amortized Cost Basis | 8,073 | 6,110
Revolving Loans Converted to Term |  |
Total | 554,833 | 533,011
Pass [Member] | Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 7,635 | 10,037
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 12,961 | 12,982
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 12,252 | 3,405
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 Prior | 1,046 | 2,863
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 34,594 | 29,287
Pass [Member] | Commercial Business [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 | 1,200 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024 | 484 | 1,195
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023 | 1,053 | 465
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022 | 441 | 2,001
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 | 1,897 | 1,061
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 2,986 | 2,270
Revolving Loans Amortized Cost Basis | 11,678 | 12,240
Revolving Loans Converted to Term | 139 | 147
Total | 19,878 | 20,048
Special Mention [Member] | Commercial Real Estate [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 |  |
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 | 1,054 |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021 |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior | 1,552 | 111
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total | 2,841 | 202
Special Mention [Member] | Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 |  |
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 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 2026/ 2025 |  |
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 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 2026/ 2025 |  |
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 Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |
Substandard [Member] | Construction and Land [Member] |  |
One-to-four family residential |  |
Term Loans Amortized Cost Basis by Origination Fiscal Year 2026/ 2025 |  |
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 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 2026/ 2025 |  |
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 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 2026/ 2025 |  |
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 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 2026/ 2025 |  |
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 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 2026/ 2025 |  |
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 Prior |  |
Revolving Loans Amortized Cost Basis |  |
Revolving Loans Converted to Term |  |
Total |  |

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