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LOANS RECEIVABLE, NET (Schedule of Classes of the Loan Portfolio Summarized by Aging Categories) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Current | $ 586,458 | $ 600,512
Non - Accrual | 8,159 | 9,732
Total Past Due | 8,159 | 10,747
Total loans receivable | 594,617 | 611,259
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  | 1,015
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due | 8,159 | 9,732
One-to four-family residential [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 201,868 | 209,455
Non - Accrual | 1,151 | 905
Total Past Due | 1,151 | 905
Total loans receivable | 203,019 | 210,360
One-to four-family residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
One-to four-family residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
One-to four-family residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due | 1,151 | 905
Commercial real estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 279,769 | 245,029
Non - Accrual | 1,079 | 2,219
Total Past Due | 1,079 | 3,105
Total loans receivable | 280,848 | 248,134
Commercial real estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Commercial real estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  | 886
Commercial real estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due | 1,079 | 2,219
Construction [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 15,770 | 23,101
Non - Accrual | 4,580 | 5,141
Total Past Due | 4,580 | 5,141
Total loans receivable | 20,350 | 28,242
Construction [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Construction [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due | 4,580 | 5,141
Home equity lines of credit [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 17,930 | 19,373
Non - Accrual |  |
Total Past Due |  |
Total loans receivable | 17,930 | 19,373
Home equity lines of credit [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Home equity lines of credit [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Home equity lines of credit [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Commercial business [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 67,370 | 99,397
Non - Accrual | 1,349 | 1,467
Total Past Due | 1,349 | 1,596
Total loans receivable | 68,719 | 100,993
Commercial business [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Commercial business [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  | 129
Commercial business [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due | 1,349 | 1,467
Other [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 3,751 | 4,157
Non - Accrual |  |
Total Past Due |  |
Total loans receivable | 3,751 | 4,157
Other [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Other [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |
Other [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due |  |

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