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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	Jun. 30, 2025	Sep. 30, 2024
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	$ 843,077	$ 779,980
Total Loans	845,410	781,216
One-to-four family residential [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	243,441	245,458
Total Loans	245,235	246,201
Commercial real estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	523,587	461,203
Total Loans	523,990	461,319
Construction and land [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	25,930	22,722
Total Loans	25,930	22,722
Home equity lines of credit [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	29,415	24,492
Total Loans	29,415	24,728
Commercial business [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	18,999	23,870
Total Loans	19,135	24,011
Other [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Current	1,705	2,235
Total Loans	1,705	2,235
30-59 Days Past Due [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	136	141
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
30-59 Days Past Due [Member] | Commercial real estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due
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	136	141
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	1,277	863
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	1,162	627
60-89 Days Past Due [Member] | Commercial real estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	115
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		236
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	920	232
90 Days + Past Due [Member] | One-to-four family residential [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	632	116
90 Days + Past Due [Member] | Commercial real estate [Member]
Schedule of the Loan Portfolio by Analyzing the Age [Line Items]
Past Due	288	116
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
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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