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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Schedule of Financial Instruments Whose Contract Amounts Representing Credit Risk) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Sep. 30, 2019
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 69,733 $ 73,223
Letters of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 962 1,315
Unused lines of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 49,644 56,405
Fixed rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 1,757 3,362
Variable rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 17,370 $ 12,141