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LOANS RECEIVABLE, NET - Schedule of Loan Portfolio (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 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	$ 18,873	$ 32,624
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	32,165	42,084
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	36,663	31,805
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	28,555	25,970
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	23,556	29,998
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	102,642	83,378
Revolving Loans Amortized Cost Basis		342
Revolving Loans Converted to Term
Total	242,454	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	111,456	88,597
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	86,068	84,674
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	70,546	66,412
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	63,996	64,573
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	54,060	29,568
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	140,977	122,845
Revolving Loans Amortized Cost Basis	6,110	3,718
Revolving Loans Converted to Term		932
Total	533,213	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	10,037	5,650
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	12,982	10,061
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	3,405
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	2,863	4,069
Revolving Loans Amortized Cost Basis		1,786
Revolving Loans Converted to Term
Total	29,287	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 loans and lines of credit [Member]
One-to-four family residential
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024	492	1,585
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	1,181	1,561
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	1,419	1,600
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	1,523	309
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	265	247
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	1,090	1,220
Revolving Loans Amortized Cost Basis	25,808	17,902
Revolving Loans Converted to Term		304
Total	31,778	24,728
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
Commercial Business [Member]
One-to-four family residential
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024	669	2,062
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	1,195	507
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	465	2,517
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	2,001	2,298
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	1,061	802
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	2,270	2,565
Revolving Loans Amortized Cost Basis	12,240	13,072
Revolving Loans Converted to Term	147	188
Total	20,048	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	464	61
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	18
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022		47
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	25
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020		9
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	1,423	1,771
Revolving Loans Amortized Cost Basis	189	347
Revolving Loans Converted to Term
Total	2,119	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	18,873	32,624
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	31,952	42,084
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	36,663	31,711
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	28,465	25,970
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	23,556	29,976
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	102,642	83,378
Revolving Loans Amortized Cost Basis		342
Revolving Loans Converted to Term
Total	242,151	246,085
Performing [Member] | Home equity loans and lines of credit [Member]
One-to-four family residential
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024	492	1,585
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	1,181	1,561
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	1,271	1,600
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	1,523	309
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	265	247
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	1,090	1,220
Revolving Loans Amortized Cost Basis	25,808	17,902
Revolving Loans Converted to Term		304
Total	31,630	24,728
Performing [Member] | Other [Member]
One-to-four family residential
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024	464	61
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	18
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022		47
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	25
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020		9
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	1,423	1,771
Revolving Loans Amortized Cost Basis	189	347
Revolving Loans Converted to Term
Total	2,119	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	213
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022		94
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	90
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	303	116
Non-performing [Member] | Home equity loans and lines of credit [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	148
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	148
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	111,456	88,597
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	86,068	84,674
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	70,546	66,412
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	63,905	64,573
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	54,060	29,568
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	140,866	122,605
Revolving Loans Amortized Cost Basis	6,110	3,718
Revolving Loans Converted to Term		932
Total	533,011	461,079
Pass [Member] | Construction and land [Member]
One-to-four family residential
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024	10,037	5,650
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	12,982	10,061
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	3,405
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	2,863	4,069
Revolving Loans Amortized Cost Basis		1,786
Revolving Loans Converted to Term
Total	29,287	22,722
Pass [Member] | Commercial Business [Member]
One-to-four family residential
Term Loans Amortized Cost Basis by Origination Fiscal Year 2025/ 2024	669	2,062
Term Loans Amortized Cost Basis by Origination Fiscal Year 2024/ 2023	1,195	507
Term Loans Amortized Cost Basis by Origination Fiscal Year 2023/ 2022	465	2,517
Term Loans Amortized Cost Basis by Origination Fiscal Year 2022/ 2021	2,001	2,298
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020	1,061	802
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	2,270	2,565
Revolving Loans Amortized Cost Basis	12,240	13,072
Revolving Loans Converted to Term	147	188
Total	20,048	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	91
Term Loans Amortized Cost Basis by Origination Fiscal Year 2021/ 2020
Term Loans Amortized Cost Basis by Origination Fiscal Year Prior	111	124
Revolving Loans Amortized Cost Basis
Revolving Loans Converted to Term
Total	202	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

X

- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amortized cost of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease.

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Amortized cost of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease.

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- Definition

Amortized cost of financing receivable that can be withdrawn, repaid, and redrawn.

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