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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of Classes of the Loan Portfolio Summarized by Aging Categories) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	$ 465,113	$ 453,127
Total Past Due	3,123	4,744
Non - Accrual	2,295	4,207
Total loans receivable	468,236	457,871
One-to four-family residential [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	176,236	170,705
Total Past Due	2,258	2,530
Non - Accrual	1,643	2,486
Total loans receivable	178,494	173,235
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	204,501	198,577
Total Past Due	515	933
Non - Accrual	515	443
Total loans receivable	205,016	199,510
Construction [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	17,868	14,939
Total Past Due
Non - Accrual
Total loans receivable	17,868	14,939
Home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	18,141	21,686
Total Past Due		281
Non - Accrual		281
Total loans receivable	18,141	21,967
Commercial business [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	42,152	37,865
Total Past Due	338	1,000
Non - Accrual	125	997
Total loans receivable	42,490	38,865
Other [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	6,215	9,355
Total Past Due	12
Non - Accrual	12
Total loans receivable	6,227	9,355
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	341
30-59 Days Past Due [Member] | One-to four-family residential [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	128
30-59 Days Past Due [Member] | Commercial real estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
30-59 Days Past Due [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
30-59 Days Past Due [Member] | Home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
30-59 Days Past Due [Member] | Commercial business [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	213
30-59 Days Past Due [Member] | Other [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	2,295	537
60-89 Days Past Due [Member] | One-to four-family residential [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	487	44
60-89 Days Past Due [Member] | Commercial real estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		490
60-89 Days Past Due [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
60-89 Days Past Due [Member] | Home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
60-89 Days Past Due [Member] | Commercial business [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		3
60-89 Days Past Due [Member] | Other [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	487	4,207
90 Days Past Due [Member] | One-to four-family residential [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,643	2,486
90 Days Past Due [Member] | Commercial real estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	515	443
90 Days Past Due [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
90 Days Past Due [Member] | Home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		281
90 Days Past Due [Member] | Commercial business [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	125	997
90 Days Past Due [Member] | Other [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	$ 12

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Financing receivables that are current.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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