PENSION AND POSTRETIREMENT PLANS (Detail Textuals) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Contribution to the plan			$ 2,200
Reclassification of net periodic benefit credit components other than service cost from salaries and employee benefits expense to operating expense	$ 195		391
SERP Benefits
Defined Benefit Plan Disclosure [Line Items]
Distribution from the plan		$ 56	$ 56