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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Schedule of Financial Instruments Whose Contract Amounts) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Sep. 30, 2020
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 90,413 $ 100,777
Letters of Credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 2,901 1,041
Unused lines of Credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 63,798 78,632
Fixed rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts 9,156 5,240
Variable rate loan commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments - contract amounts $ 14,558 $ 15,864