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LOANS RECEIVABLE, NET (Schedule of ALL by Loan Category) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | $ 8,075 | $ 6,400
Individually evaluated for impairment | 224 | 221
Collectively evaluated for impairment | 7,851 | 6,179
Balance - Loans receivable | 594,617 | 611,259
Loan balance individually evaluated for impairment | 11,068 | 14,161
Loan balance collectively evaluated for impairment | 583,549 | 597,098
One-to four-family residential [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,136 | 1,035
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,136 | 1,035
Balance - Loans receivable | 203,019 | 210,360
Loan balance individually evaluated for impairment | 2,711 | 2,601
Loan balance collectively evaluated for impairment | 200,308 | 207,759
Commercial real estate [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 3,744 | 3,232
Individually evaluated for impairment |  | 46
Collectively evaluated for impairment | 3,744 | 3,186
Balance - Loans receivable | 280,848 | 248,134
Loan balance individually evaluated for impairment | 2,270 | 4,405
Loan balance collectively evaluated for impairment | 278,578 | 243,729
Construction [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 594 | 672
Individually evaluated for impairment | 224 | 175
Collectively evaluated for impairment | 370 | 497
Balance - Loans receivable | 20,350 | 28,242
Loan balance individually evaluated for impairment | 4,580 | 5,141
Loan balance collectively evaluated for impairment | 15,770 | 23,101
Home equity lines of credit [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 232 | 179
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 232 | 179
Balance - Loans receivable | 17,930 | 19,373
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 17,930 | 19,373
Commercial business [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 2,046 | 1,034
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 2,046 | 1,034
Balance - Loans receivable | 68,719 | 100,993
Loan balance individually evaluated for impairment | 1,507 | 2,014
Loan balance collectively evaluated for impairment | 67,212 | 98,979
Other [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 15 | 1
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 15 | 1
Balance - Loans receivable | 3,751 | 4,157
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 3,751 | 4,157
Unallocated [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 308 | 247
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 308 | 247
Balance - Loans receivable |  |
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment |  |

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