EMPLOYEE BENEFIT PLANS (Components of Net Periodic Benefit Cost) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pension Plans, Defined Benefit [Member]
Interest cost	$ 32	$ 35
Expected return on plan assets	(35)	(40)
Recognized net actuarial loss	34	27
Net pension expense	31	22
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Interest cost	13	16
Expected return on plan assets	(19)	(20)
Recognized net actuarial loss	21	17
Net pension expense	$ 15	$ 13