SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Amortization of defined benefit pension items Prior service cost	$ (112)	[1]	$ (111)	[1]
Amortization of defined benefit pension items Actuarial losses	818	[1]	1,813	[1]
Amortization of defined benefit pension items Total before tax	706		1,702
Amortization of defined benefit pension items Tax benefit	(275)		(664)
Amortization of defined benefit pension items Net of tax	$ 431		$ 1,038

[1] These amounts were included in the computation of net periodic pension cost. See Note 11 for additional details.