EMPLOYEE BENEFIT PLANS (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Components of net periodic benefit cost [Abstract]
Service cost	$ 206,000	$ 184,000
Interest cost	89,000	90,000
Expected return on plan assets	(182,000)	(162,000)
Recognized net actuarial loss	66,000	72,000
Net periodic benefit cost	179,000	184,000
Contributions by employer	$ 0	$ 0