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FAIR VALUE MEASUREMENTS (Details 4) - Cash flow hedges.	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Reclassification of gain (loss)
Gain or loss recognized with respect to cash flow hedges' ineffectiveness		$ 0	$ 0	$ 0
Interest rate swap
Fair Value Measurements
Amount of (loss) gain recognized on derivatives in Other comprehensive loss		(3,722,000)	(4,453,000)	(1,000)
Amount of loss reclassification from Accumulated other comprehensive loss into Equity in Earnings of unconsolidated joint ventures		(2,554,000)	(1,810,000)	(962,000)
Reclassification of gain (loss)
Loss on termination of interest rate swap		472,000
Credit risk related contingent feature
Fair value of derivative in a liability position, including accrued interest and excluding adjustments for nonperformance risk		4,641,000
Termination value of derivative agreement		4,641,000
Adjustments for nonperformance risk		$ 342,000
Interest rate swap | Unconsolidated JV
Fair Value Measurements
Number of unconsolidated joint ventures of the entity with interest rate derivatives outstanding | item		3
Percentage of ownership in unconsolidated joint venture		50.00%
Notional Amount		$ 10,991,000
Amount of (loss) gain recognized on derivatives in Other comprehensive loss		(109,000)	(32,000)	21,000
Amount of loss reclassification from Accumulated other comprehensive loss into Equity in Earnings of unconsolidated joint ventures		$ (108,000)	$ (55,000)	$ (55,000)
Interest rate swap | Unconsolidated JV | Minimum
Fair Value Measurements
Fixed Interest Rate (as a percent)		3.49%
Interest rate swap | Unconsolidated JV | Maximum
Fair Value Measurements
Fixed Interest Rate (as a percent)		5.81%
Interest rate swap | Accrued Expenses And Other Liabilities Member
Credit risk related contingent feature
Termination value of derivative agreement		$ 4,299,000
Forecast | Interest rate swap
Reclassification of gain (loss)
Additional amount to be reclassified to interest expense during the next twelve months	$ 1,892,000

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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