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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of ALL by Loan Category) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Sep. 30, 2021
--- | --- | ---
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | $ 8,228 | $ 8,075
Individually evaluated for impairment | 224 | 224
Collectively evaluated for impairment | 8,004 | 7,851
Balance - Loans receivable | 583,354 | 594,617
Loan balance individually evaluated for impairment | 10,505 | 11,068
Loan balance collectively evaluated for impairment | 572,849 | 583,549
One-to four-family residential [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,093 | 1,136
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,093 | 1,136
Balance - Loans receivable | 200,807 | 203,019
Loan balance individually evaluated for impairment | 2,217 | 2,711
Loan balance collectively evaluated for impairment | 198,590 | 200,308
Commercial real estate [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 3,706 | 3,744
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 3,706 | 3,744
Balance - Loans receivable | 278,989 | 280,848
Loan balance individually evaluated for impairment | 2,202 | 2,270
Loan balance collectively evaluated for impairment | 276,787 | 278,578
Construction [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 724 | 594
Individually evaluated for impairment | 224 | 224
Collectively evaluated for impairment | 500 | 370
Balance - Loans receivable | 24,282 | 20,350
Loan balance individually evaluated for impairment | 4,580 | 4,580
Loan balance collectively evaluated for impairment | 19,702 | 15,770
Home equity lines of credit [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 232 | 232
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 232 | 232
Balance - Loans receivable | 17,667 | 17,930
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 17,667 | 17,930
Commercial business [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 2,129 | 2,046
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 2,129 | 2,046
Balance - Loans receivable | 58,320 | 68,719
Loan balance individually evaluated for impairment | 1,506 | 1,507
Loan balance collectively evaluated for impairment | 56,814 | 67,212
Other [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1 | 15
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1 | 15
Balance - Loans receivable | 3,289 | 3,751
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 3,289 | 3,751
Unallocated [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 343 | 308
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 343 | 308
Balance - Loans receivable |  |
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment |  |

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