ALLOWANCE FOR LOAN LOSSES (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016		Sep. 30, 2017	Sep. 30, 2016
Receivables [Abstract]
Allowance for loan losses	$ 8,862	$ 6,415		$ 7,534	$ 5,635
Provision for loan losses	1,068	843	[1]
Net charge offs (recoveries)	$ (300)	$ 100

[1] See Note 1. Basis of Presentation for further discussion on the current presentation.