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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of Average Recorded Investment in Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Financing Receivable, Impaired [Line Items]
Average investment in impaired loans	$ 9,966	$ 14,358	$ 10,181	$ 15,817
One-to four-family residential [Member]
Financing Receivable, Impaired [Line Items]
Average investment in impaired loans	3,952	4,502	3,626	6,451
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Average investment in impaired loans	4,429	5,563	4,761	5,271
Construction [Member]
Financing Receivable, Impaired [Line Items]
Average investment in impaired loans		1,692		1,961
Home equity lines of credit [Member]
Financing Receivable, Impaired [Line Items]
Average investment in impaired loans	15	841	92	660
Commercial business [Member]
Financing Receivable, Impaired [Line Items]
Average investment in impaired loans	$ 1,570	$ 1,762	$ 1,702	$ 1,474

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+ References

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524

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