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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
Mar. 31, 2019
Sep. 30, 2018
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 81,862 $ 72,986
Letters of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 1,914 1,939
Unused lines of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 63,749 54,127
Fixed rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 3,100 4,397
Variable rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 13,099 $ 12,523