PENSION AND OTHER BENEFITS (Details) - Component of Accumulated Other Comprehensive Loss have not been Recognized as a Component of Net Periodic Pension Expense (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Component of Accumulated Other Comprehensive Loss have not been Recognized as a Component of Net Periodic Pension Expense [Abstract]
Net acturial loss	$ 7,595	$ 5,699
Total recognized in other comprehensive income	7,595	5,699
Total recognized in net periodic expense and other comprehensive income (before tax)	$ 7,799	$ 6,115