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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR CREDIT LOSSES - Schedule of the Loan Portfolio by Analyzing the Age (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Sep. 30, 2025
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	$ 859,827	$ 856,791
Total Loans	879,942	858,899
One-to-four family residential [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	230,796	240,975
Total Loans	234,434	242,454
Commercial Real Estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	543,245	532,867
Total Loans	557,764	533,213
Construction and Land [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	34,594	29,287
Total Loans	35,714	29,287
Home Equity Lines of Credit [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	30,163	31,630
Total Loans	30,310	31,778
Commercial Business [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	19,187	19,913
Total Loans	19,878	20,048
Other [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	1,842	2,119
Total Loans	1,842	2,119
30-59 Days Past Due [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	19,520	1,151
30-59 Days Past Due [Member] | One-to-four family residential [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	3,425	1,016
30-59 Days Past Due [Member] | Commercial Real Estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	14,284
30-59 Days Past Due [Member] | Construction and Land [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
30-59 Days Past Due [Member] | Home Equity Lines of Credit [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
30-59 Days Past Due [Member] | Commercial Business [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due		135
30-59 Days Past Due [Member] | Other [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
60-89 Days Past Due [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	301	506
60-89 Days Past Due [Member] | One-to-four family residential [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	0	160
60-89 Days Past Due [Member] | Commercial Real Estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	235	346
60-89 Days Past Due [Member] | Construction and Land [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
60-89 Days Past Due [Member] | Home Equity Lines of Credit [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
60-89 Days Past Due [Member] | Commercial Business [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
60-89 Days Past Due [Member] | Other [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
90 Days + Past Due [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	294	451
90 Days + Past Due [Member] | One-to-four family residential [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	213	303
90 Days + Past Due [Member] | Commercial Real Estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
90 Days + Past Due [Member] | Construction and Land [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
90 Days + Past Due [Member] | Home Equity Lines of Credit [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	81	148
90 Days + Past Due [Member] | Commercial Business [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
90 Days + Past Due [Member] | Other [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

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