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INVESTMENT SECURITIES (Summary of Maturities of Debt Securities and Mortgage-backed Securities Held to Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 32,014	$ 33,645
Gross Unrealized Gains	208	5
Gross Unrealized Losses	(451)	(1,499)
Fair Value	31,771	32,151
Obligations of U.S. government agencies Mortgage backed securities - residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	463	568
Gross Unrealized Gains
Gross Unrealized Losses	(62)	(93)
Fair Value	401	475
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	858	904
Gross Unrealized Gains
Gross Unrealized Losses	(4)	(9)
Fair Value	854	895
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	24,858	26,316
Gross Unrealized Gains	197	4
Gross Unrealized Losses	(85)	(867)
Fair Value	24,970	25,453
Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	2,467	2,464
Gross Unrealized Gains	4
Gross Unrealized Losses		(142)
Fair Value	2,471	2,322
Private label mortgage-backed securities-residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	368	393
Gross Unrealized Gains	7	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	(300)	(388)
Fair Value	$ 2,700	$ 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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