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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of Impaired Loans by Class) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Financing Receivable, Impaired [Line Items]
Recorded Investment Impaired Loans with Specific Allowance	$ 2,835	$ 2,835
Related Allowance Impaired Loans with Specific Allowance	114	224
Recorded Investment Impaired Loans with No Specific Allowance	4,593	8,233
Total Impaired Loans Recorded Investment	7,428	11,068
Total Impaired Loans Unpaid Principal Balance	7,493	11,133
One-to four-family residential [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment Impaired Loans with Specific Allowance
Related Allowance Impaired Loans with Specific Allowance
Recorded Investment Impaired Loans with No Specific Allowance	1,525	2,711
Total Impaired Loans Recorded Investment	1,525	2,711
Total Impaired Loans Unpaid Principal Balance	1,525	2,711
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment Impaired Loans with Specific Allowance
Related Allowance Impaired Loans with Specific Allowance
Recorded Investment Impaired Loans with No Specific Allowance	1,169	2,270
Total Impaired Loans Recorded Investment	1,169	2,270
Total Impaired Loans Unpaid Principal Balance	1,169	2,270
Construction [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment Impaired Loans with Specific Allowance	2,835	2,835
Related Allowance Impaired Loans with Specific Allowance	114	224
Recorded Investment Impaired Loans with No Specific Allowance	1,745	1,745
Total Impaired Loans Recorded Investment	4,580	4,580
Total Impaired Loans Unpaid Principal Balance	4,645	4,645
Commercial business [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment Impaired Loans with Specific Allowance
Related Allowance Impaired Loans with Specific Allowance
Recorded Investment Impaired Loans with No Specific Allowance	154	1,507
Total Impaired Loans Recorded Investment	154	1,507
Total Impaired Loans Unpaid Principal Balance	$ 154	$ 1,507

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
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