EMPLOYEE BENEFIT PLANS (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Pension Plan [Member]
Net pension expense:
Interest cost	$ 26	$ 27	$ 78	$ 79
Expected return on plan assets	(35)	(34)	(107)	(104)
Recognized net actuarial (gain) loss	46	33	139	101
Net pension expense (benefit)	37	26	110	76
Supplemental Employee Retirement Plan [Member]
Net pension expense:
Interest cost	10	10	30	34
Expected return on plan assets	(16)	(17)	(47)	(53)
Recognized net actuarial (gain) loss	20	20	60	60
Net pension expense (benefit)	$ 14	$ 13	$ 43	$ 41