EMPLOYEE BENEFIT PLANS (Pre-tax Amounts in AOCI to be Recognized Over Next Fiscal Year) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service costs (credits)	$ (53)
Amortization of net actuarial loss (gain)	(1,245)
Total	(1,298)
Post Retirement Medical Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service costs (credits)	(305)
Amortization of net actuarial loss (gain)	0
Total	$ (305)