FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Schedule of Financial Instruments Whose Contract Amounts Representing Credit Risk) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments - contract amounts	$ 78,339	$ 71,234
Letters of credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments - contract amounts	1,929	633
Unused lines of credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments - contract amounts	50,702	64,220
Fixed rate loan commitments [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments - contract amounts	3,779	2,429
Variable rate loan commitments [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments - contract amounts	$ 21,929	$ 3,952