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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, 2018
Sep. 30, 2018
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 71,934 $ 72,986
Letters of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 1,939 1,939
Unused lines of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 60,469 54,127
Fixed rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 2,995 4,397
Variable rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 6,531 $ 12,523