DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Impact of Financial Instruments on Statement of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Effect of the Company's derivative financial instruments on the income statement
Interest expense	$ 16,609	$ 17,858
Interest Expense
Effect of the Company's derivative financial instruments on the income statement
Amount of Loss Reclassified from AOCI into Operations	(216)	198
Cash Flow Hedging \| Interest rate swap contracts
Effect of the Company's derivative financial instruments on the income statement
Amount of Loss Recognized in AOCI on Derivative	$ 8,261	$ 235

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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