PENSION PLAN (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Defined Benefit Plan [Abstract]
Current service cost, net of employee contributions	$ 11	$ 12	$ 25	$ 23
Interest cost on accrued benefit obligation	25	26	50	50
Expected return on plan assets	(41)	(41)	(81)	(80)
Amortization of transitional obligation	3	3	6	5
Amortization of past service costs	2	3	4	5
Amortization of net actuarial gain	11	10	23	18
Total cost of benefit	$ 11	$ 13	$ 27	$ 21