FAIR VALUE MEASUREMENTS Schedule of Fair Value Hierarchy (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 3,063	$ 1,258
Non-marketable securities	3,667	3,384
Total assets	6,730	4,642
Derivatives liabilities	12	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	3,063	1,258
Total assets	3,063	1,258
Derivatives liabilities	12	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-marketable securities	3,667	3,384
Total assets	$ 3,667	$ 3,384