EMPLOYEE BENEFIT PLANS (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net gain (loss) on defined benefit pension plans	$ 112	$ (1,043)	$ (36)
Pension Plans, Defined Benefit [Member]
Service cost	0	0	0
Interest cost	127	140	142
Expected return on plan assets	(138)	(158)	(166)
Recognized net actuarial loss	137	106	83
Settlement cost	252	0	0
Net pension expense	378	89	59
Net gain (loss) on defined benefit pension plans	(109)	823	112
Amortization of net loss	(137)	(106)	(83)
Total recognized in other comprehensive income	(246)	717	29
Total recognized in net pension expense and other comprehensive income	132	806	88
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Service cost	0	0	0
Interest cost	51	61	67
Expected return on plan assets	(75)	(80)	(81)
Recognized net actuarial loss	83	69	59
Settlement cost	0	0	0
Net pension expense	59	50	45
Net gain (loss) on defined benefit pension plans	(3)	220	(76)
Amortization of net loss	(83)	(69)	(59)
Total recognized in other comprehensive income	(86)	151	(135)
Total recognized in net pension expense and other comprehensive income	$ (27)	$ 201	$ (90)