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FAIR VALUE DISCLOSURES (Schedule of Additional Quantitative Information About Assets Measured at Fair Value) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Sep. 30, 2017
Impaired Loans [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Valuation techniques and Unobservable Input | [1],[2] | Appraisal of collateral; Appraisal adjustments | Appraisal of collateral; Appraisal adjustments
Other Real Estate Owned [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Valuation techniques and Unobservable Input | [1],[2] | Appraisal of collateral; Liquidation expenses | Appraisal of collateral; Liquidation expenses
Fair Value Measured on a Nonrecurring Basis [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value estimate |  | $ 11,022 | $ 11,965
Fair Value Measured on a Nonrecurring Basis [Member] | Impaired Loans [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value estimate |  | $ 871 | $ 909
Fair Value Measured on a Nonrecurring Basis [Member] | Impaired Loans [Member] | Minimum [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value input- appraisal of collateral |  | (0.00%) | (7.90%)
Fair Value Measured on a Nonrecurring Basis [Member] | Impaired Loans [Member] | Maximum [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value input- appraisal of collateral |  | (22.60%) | (35.20%)
Fair Value Measured on a Nonrecurring Basis [Member] | Impaired Loans [Member] | Weighted Average [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value input- appraisal of collateral |  | (11.30%) | (22.30%)
Fair Value Measured on a Nonrecurring Basis [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value estimate |  | $ 10,151 | $ 11,056
Fair Value Measured on a Nonrecurring Basis [Member] | Other Real Estate Owned [Member] | Minimum [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value input- appraisal of collateral |  | (3.10%) | (8.00%)
Fair Value Measured on a Nonrecurring Basis [Member] | Other Real Estate Owned [Member] | Maximum [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value input- appraisal of collateral |  | (75.80%) | (55.40%)
Fair Value Measured on a Nonrecurring Basis [Member] | Other Real Estate Owned [Member] | Weighted Average [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value input- appraisal of collateral |  | (14.70%) | (25.00%)
[1] | Appraisals may be adjusted downward 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.
[2] | Fair value is generally determined through independent appraisals for the underlying collateral, which generally include various level 3 inputs which are not identifiable.

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