FAIR VALUE MEASUREMENTS CHANGES IN FAIR VALUE MEASUREMENT OF LEVEL 3 ITEMS (Details) - Fair Value, Measurements, Recurring [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of December 31, 2014	$ 3,384
Balance as of June 30, 2015	3,698
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance as of December 31, 2014	3,384
Sales	0
Realized gains	54
Unrealized gains	260
Balance as of June 30, 2015	$ 3,698