FAIR VALUE DISCLOSURES (Schedule of Additional Quantitative Information About Assets Measured at Fair Value) (Details) - USD ($) $ in Thousands		12 Months Ended
		Sep. 30, 2021	Sep. 30, 2020
Fair Value Measured on a Nonrecurring Basis [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value estimate		$ 11,770	$ 14,468
Impaired Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation techniques and Unobservable Input	[1]	Appraisal of collateral; Appraisal adjustments	Appraisal of collateral; Appraisal adjustments
Impaired Loans [Member] | Fair Value Measured on a Nonrecurring Basis [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value estimate		$ 11,134	$ 11,874
Impaired Loans [Member] | Fair Value Measured on a Nonrecurring Basis [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input- appraisal of collateral		0.00%	0.00%
Impaired Loans [Member] | Fair Value Measured on a Nonrecurring Basis [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input- appraisal of collateral		(42.80%)	(50.00%)
Impaired Loans [Member] | Fair Value Measured on a Nonrecurring Basis [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input- appraisal of collateral		(15.30%)	(11.60%)
Other Real Estate Owned [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation techniques and Unobservable Input	[2]	Appraisal of collateral; Liquidation expenses	Appraisal of collateral; Liquidation expenses
Other Real Estate Owned [Member] | Fair Value Measured on a Nonrecurring Basis [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value estimate		$ 636	$ 2,594
Other Real Estate Owned [Member] | Fair Value Measured on a Nonrecurring Basis [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input- appraisal of collateral		(31.20%)	(6.00%)
Other Real Estate Owned [Member] | Fair Value Measured on a Nonrecurring Basis [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input- appraisal of collateral		(45.50%)	(27.40%)
Other Real Estate Owned [Member] | Fair Value Measured on a Nonrecurring Basis [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value input- appraisal of collateral		(39.40%)	(14.70%)

[1] Fair value is generally determined through independent appraisals for the underlying collateral, which generally include various level 3 inputs which are not identifiable.

[2] Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range and weighted average of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.