LOANS AND ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructurings) (Detail) $ in Thousands	12 Months Ended
	Sep. 30, 2016 USD ($) Number	Sep. 30, 2015 USD ($) Number
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Number of Loans | Number	9	4
Pre- Modification Principal Balance	$ 461	$ 1,691
Post- Modification Principal Balance	$ 594	$ 1,698
Residential real estate [Member]
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Number of Loans | Number	5	2
Pre- Modification Principal Balance	$ 181	$ 165
Post- Modification Principal Balance	$ 247	$ 172
Commercial real estate [Member]
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Number of Loans | Number	1	1
Pre- Modification Principal Balance	$ 94	$ 1,523
Post- Modification Principal Balance	$ 131	$ 1,523
Commercial Business [Member]
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Number of Loans | Number	3
Pre- Modification Principal Balance	$ 186
Post- Modification Principal Balance	$ 216
Consumer [Member]
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Number of Loans | Number		1
Pre- Modification Principal Balance		$ 3
Post- Modification Principal Balance		$ 3