PENSION AND POSTRETIREMENT WELFARE PLANS (Details 5) (Postretirement Welfare Plan, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Postretirement welfare plan
Net periodic postretirement benefit costs	$ 30	$ 28
Amount of accumulated other comprehensive income expected to be recognized as a plan expense in 2014
Amount of accumulated other comprehensive income expected to be recognized as a plan expense	66
Weighted average discount rate used in determining the accumulated postretirement benefit obligation
Discount rate (as a percent)	4.75%	4.00%
Weighted average discount rate used to determine the net periodic postretirement benefit cost
Discount rate (as a percent)	4.00%	4.75%
Benefits expected to be paid
2014	58
2015	62
2016	60
2017	68
2018	64
2019 - 2023	404
Expected in 2014
Amount of accumulated other comprehensive income expected to be recognized as a plan expense in 2014
Actuarial gain	54
Prior service credit	$ 12