ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Summary of Amounts Reclassified Out of AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Reclassifications out of accumulated other comprehensive income (loss)
Loss reclassified from accumulated other comprehensive loss to net income (loss)	$ 905	$ 1,364
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassifications out of accumulated other comprehensive income (loss)
Loss reclassified from accumulated other comprehensive loss to net income (loss)	905	1,364
Interest rate swap contracts | Reclassification out of Accumulated Other Comprehensive Income [Member] | Provision For Income Taxes
Reclassifications out of accumulated other comprehensive income (loss)
Loss reclassified from accumulated other comprehensive loss to net income (loss)	(538)	(811)
Losses on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Expense [Member]
Reclassifications out of accumulated other comprehensive income (loss)
Loss reclassified from accumulated other comprehensive loss to net income (loss)	$ 1,443	$ 2,175