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INVESTMENT SECURITIES (Summary of Maturities of Debt Securities and Mortgage-backed Securities Held to Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 30,917	$ 29,481
Gross Unrealized Gains	233	293
Gross Unrealized Losses	(388)	(430)
Fair Value	30,762	29,344
Obligations of U.S. government agencies Mortgage backed securities - residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	1,960	445
Gross Unrealized Gains
Gross Unrealized Losses	(63)	(54)
Fair Value	1,897	391
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	826	842
Gross Unrealized Gains
Gross Unrealized Losses	(7)	(6)
Fair Value	819	836
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	23,890	22,363
Gross Unrealized Gains	224	276
Gross Unrealized Losses	(67)	(47)
Fair Value	24,047	22,592
Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	970	2,468
Gross Unrealized Gains	4	10
Gross Unrealized Losses
Fair Value	974	2,478
Private label mortgage-backed securities-residential [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	271	363
Gross Unrealized Gains	5	7
Gross Unrealized Losses
Fair Value	276	370
Corporate securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	3,000	3,000
Gross Unrealized Gains
Gross Unrealized Losses	(251)	(323)
Fair Value	$ 2,749	$ 2,677

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