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RECENT ACCOUNTING PRONOUNCEMENTS (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Reclassified mortgage-backed seurities		$ 12,619
Reclassified adjustment from AOCI to retained earnings	$ 188

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- Definition

Amount reclassified to unappropriated retained earnings from accumulated increase (decrease) in the fair value of the financial assets (liabilities) of the collateralized financing entity.

+ References

No definition available.

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- Definition

Value of investments transferred from the entity's investments in noncash transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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