DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)	3 Months Ended
	Mar. 31, 2017 USD ($) Integer	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Derivative [Line Items]
Number of interest rate swaps | Integer	7
Interest Rate Cash Flow Hedge Assets at Fair Value	$ 5,243,000		$ 4,546,000
Interest rate cash flow hedge liabilities at fair value	1,865,000		2,578,000
Eighty Million Unsecured Term Loan [Member]
Derivative [Line Items]
Term Loan Notional Amount Associated with Interest Rate Swap Derivative
Seventy-five Million Unsecured Term Loan [Member]
Derivative [Line Items]
Term Loan Notional Amount Associated with Interest Rate Swap Derivative
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Instruments, Income (Loss) Recognized in Other Comprehensive Income(Loss), Effective Portion, Net	637,000	$ (6,324,000)
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest expense	(773,000)	$ (927,000)
Cash flow hedge amount to be reclassified to Interest Expense in next 12 months [Line Items]	1,266,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivative [Line Items]
Interest Rate Cash Flow Hedge Assets at Fair Value	5,243,000		4,546,000
Interest rate swap cash flow hedge termination value	5,278,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivative [Line Items]
Interest rate cash flow hedge liabilities at fair value	1,865,000		2,578,000
Interest rate swap cash flow hedge termination value	1,905,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $80 million interest rate swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	80,000,000		80,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $75 million interest rate swap executed in 2014 [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	75,000,000		75,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $75 million interest rate swap executed in 2015 [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	75,000,000		75,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $65 million interest rate swap executed in 2016 [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	65,000,000		65,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $60 million interest rate swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	60,000,000		60,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $40 million interest rate swap (2016) [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	40,000,000		40,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $15 million interest rate swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	$ 15,000,000		$ 15,000,000