EMPLOYEE BENEFIT PLANS (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Pension Plans, Defined Benefit [Member]
Net pension expense:
Interest cost	$ 26	$ 26
Expected return on plan assets	(35)	(35)
Recognized net actuarial (gain) loss	46	34
Net pension expense (benefit)	37	25
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Net pension expense:
Interest cost	10	12
Expected return on plan assets	(16)	(18)
Recognized net actuarial (gain) loss	20	20
Net pension expense (benefit)	$ 14	$ 14