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INVESTMENT SECURITIES (Summary of Maturities of Debt Securities and Mortgage-backed Securities Held to Maturity) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 33,920	$ 33,645
Gross Unrealized Gains	47	5
Gross Unrealized Losses	(731)	(1,499)
Fair Value	33,236	32,151
Obligations of U.S. government agencies Mortgage backed securities - residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	478	568
Gross Unrealized Gains
Gross Unrealized Losses	(84)	(93)
Fair Value	394	475
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	873	904
Gross Unrealized Gains
Gross Unrealized Losses	(9)	(9)
Fair Value	864	895
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	26,730	26,316
Gross Unrealized Gains	44	4
Gross Unrealized Losses	(258)	(867)
Fair Value	26,516	25,453
Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	2,466	2,464
Gross Unrealized Gains	1
Gross Unrealized Losses	(33)	(142)
Fair Value	2,434	2,322
Private label mortgage-backed securities-residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	373	393
Gross Unrealized Gains	2	1
Gross Unrealized Losses
Fair Value	375	394
Corporate securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	3,000	3,000
Gross Unrealized Gains
Gross Unrealized Losses	(347)	(388)
Fair Value	$ 2,653	$ 2,612

X

- Definition

Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

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- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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