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LOANS RECEIVABLE, NET (Schedule of Impaired Loans by Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016
Financing Receivable, Impaired [Line Items]
Recorded Investment With Specific Allowance		$ 997
Related Allowance		39
Recorded Investment With No Specific Allowance	7,455	8,256
Total Recorded Investment	7,455	9,253
Total Unpaid Contractual Principal Balance	7,789	10,099
One-to four-family residential [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With Specific Allowance
Related Allowance
Recorded Investment With No Specific Allowance	3,124	4,010
Total Recorded Investment	3,124	4,010
Total Unpaid Contractual Principal Balance	3,436	4,239
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With Specific Allowance
Related Allowance
Recorded Investment With No Specific Allowance	4,088	3,843
Total Recorded Investment	4,088	3,843
Total Unpaid Contractual Principal Balance	4,110	3,843
Commercial business [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With Specific Allowance		997
Related Allowance		39
Recorded Investment With No Specific Allowance	243	250
Total Recorded Investment	243	1,247
Total Unpaid Contractual Principal Balance	$ 243	1,850
Home equity lines of credit [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With Specific Allowance
Related Allowance
Recorded Investment With No Specific Allowance		153
Total Recorded Investment		153
Total Unpaid Contractual Principal Balance		$ 167

X

- Definition

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+ References

No definition available.

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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 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524

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+ 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 (a)(3)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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+ 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 (a)(4)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524

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