DERIVATIVES AND HEDGING ACTIVITIES (Effective of Contracts on Statement of Operations) (Details) - Realized (Gains)/Losses Reclassified from Accumulated Other Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivatives designated as hedging instruments | Operating income (expenses)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivatives	$ 1,081	$ (1,805)	$ 1,498	$ (2,689)
Derivatives designated as hedging instruments | Interest and other, net
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivatives	0	0	0	0
Derivatives not designated as hedging instruments | Operating income (expenses)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivatives	0	0	0	0
Derivatives not designated as hedging instruments | Interest and other, net
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivatives	$ 45	$ 66	$ 2,301	$ (2,638)