PENSION AND OTHER POSTRETIREMENT PLANS (Detail Textuals 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
EMPLOYEE BENEFITS
Description of Defined Contribution Pension and Other Postretirement Plans	100% of each employee's contributions up to 1% of each employee's compensation plus 50% of each employee's contributions over 1% but not in excess of 6% of each employee's compensation for a maximum contribution of 3.5% of a participating employee's compensation.
Minimum employee contribution percentage	1.00%
Percentage of employer matching contribution	50.00%
Threshold limit percentage of employee compensation	6.00%
Maximum percentage of annual contribution per employee	3.50%
Cash contributions by the Bank	$ 1,000	$ 786	$ 623
Discretionary profit sharing contribution	$ 550	$ 424	$ 276