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LOANS RECEIVABLE, NET (Schedule of Classes of the Loan Portfolio Summarized by Aging Categories) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	$ 515,546	$ 511,323
Total Past Due	7,455	1,175
Non - Accrual	6,894	906
Total loans receivable	523,001	512,498
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	503	269
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	58
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	6,894	906
One-to four-family residential [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	190,301	185,132
Total Past Due	114	155
Non - Accrual	114	138
Total loans receivable	190,415	185,287
One-to four-family residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		17
One-to four-family residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
One-to four-family residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	114	138
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	229,331	218,892
Total Past Due	3,213	455
Non - Accrual	2,652	455
Total loans receivable	232,544	219,347
Commercial real estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	503
Commercial real estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	58
Commercial real estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	2,652	455
Construction [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	25,551	30,412
Total Past Due	2,900
Non - Accrual	2,900
Total loans receivable	28,451	30,412
Construction [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Construction [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	2,900
Home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	17,832	17,892
Total Past Due		90
Non - Accrual		90
Total loans receivable	17,832	17,982
Home equity lines of credit [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Home equity lines of credit [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Home equity lines of credit [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		90
Commercial business [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	47,541	52,845
Total Past Due	1,228	475
Non - Accrual	1,228	223
Total loans receivable	48,769	53,320
Commercial business [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		252
Commercial business [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Commercial business [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,228	223
Other [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	4,990	6,150
Total Past Due
Non - Accrual
Total loans receivable	4,990	6,150
Other [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Other [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Other [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due

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