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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
Jun. 30, 2017
Sep. 30, 2016
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 64,176 $ 58,212
Letters of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 559 306
Unused lines of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 52,401 45,888
Fixed rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 3,413 5,272
Variable rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 7,803 $ 6,746