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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of ALL by Loan Category) (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Sep. 30, 2021
--- | --- | ---
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | $ 8,300 | $ 8,075
Individually evaluated for impairment | 224 | 224
Collectively evaluated for impairment | 8,076 | 7,851
Balance - Loans receivable | 618,452 | 594,617
Loan balance individually evaluated for impairment | 8,799 | 11,068
Loan balance collectively evaluated for impairment | 609,653 | 583,549
One-to four-family residential [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,113 | 1,136
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,113 | 1,136
Balance - Loans receivable | 206,083 | 203,019
Loan balance individually evaluated for impairment | 1,537 | 2,711
Loan balance collectively evaluated for impairment | 204,546 | 200,308
Commercial real estate [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 4,082 | 3,744
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 4,082 | 3,744
Balance - Loans receivable | 317,665 | 280,848
Loan balance individually evaluated for impairment | 1,178 | 2,270
Loan balance collectively evaluated for impairment | 316,487 | 278,578
Construction [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 803 | 594
Individually evaluated for impairment | 234 | 224
Collectively evaluated for impairment | 579 | 370
Balance - Loans receivable | 26,847 | 20,350
Loan balance individually evaluated for impairment | 4,580 | 4,580
Loan balance collectively evaluated for impairment | 22,267 | 15,770
Home equity lines of credit [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 220 | 232
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 220 | 232
Balance - Loans receivable | 15,623 | 17,930
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 15,623 | 17,930
Commercial business [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,839 | 2,046
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,839 | 2,046
Balance - Loans receivable | 48,942 | 68,719
Loan balance individually evaluated for impairment | 1,504 | 1,507
Loan balance collectively evaluated for impairment | 47,438 | 67,212
Other [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 2 | 15
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 2 | 15
Balance - Loans receivable | 3,292 | 3,751
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 3,292 | 3,751
Unallocated [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 241 | 308
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 241 | 308
Balance - Loans receivable |  |
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment |  |

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