DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2015 USD ($) Integer	Jun. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2015 USD ($) Integer	Jun. 30, 2014 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2012 USD ($)
Derivative [Line Items]
Number of interest rate swaps | Integer	5			5
Interest Rate Cash Flow Hedge Assets at Fair Value	$ 1,585,000			$ 1,585,000			$ 812,000
Interest rate cash flow hedge liabilities at fair value	3,479,000			3,479,000			3,314,000
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Instruments, Income (Loss) Recognized in Other Comprehensive Loss, Effective Portion, Net	2,006,000	$ (2,321,000)		(1,462,000)	$ (3,922,000)
Amount of loss reclassified from accumulated other comprehensive loss into interest expense	(1,116,000)	$ (581,000)		(2,049,000)	$ (1,145,000)
Cash flow hedge amount to be reclassified to Interest Expense in next 12 months [Line Items]	3,810,000			3,810,000
Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Interest Rate Cash Flow Hedge Assets at Fair Value	1,585,000			1,585,000			812,000
Interest rate swap cash flow hedge termination value	1,631,000			1,631,000
Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Interest rate cash flow hedge liabilities at fair value	3,479,000			3,479,000			3,314,000
Interest rate swap cash flow hedge termination value	3,517,000			3,517,000
$80 million interest rate swap [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	80,000,000			80,000,000			80,000,000		$ 80,000,000
$75 million interest rate swap executed in 2014 [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	75,000,000			75,000,000			75,000,000	$ 75,000,000
Eighty Million Unsecured Term Loan [Member]
Derivative [Line Items]
Term Loan Notional Amount Associated with Interest Rate Swap Derivative							80,000,000		$ 80,000,000
$60 million interest rate swap [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	60,000,000			60,000,000			60,000,000
$15 million interest rate swap [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	15,000,000			15,000,000			15,000,000
Seventy-five Million Unsecured Term Loan [Member]
Derivative [Line Items]
Term Loan Notional Amount Associated with Interest Rate Swap Derivative							75,000,000
$75 million interest rate swaps [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives			$ 75,000,000
Number of interest rate swaps entered into during period			2
Seventy-Five Million Unsecured Term Loan executed in 2014 [Member]
Derivative [Line Items]
Term Loan Notional Amount Associated with Interest Rate Swap Derivative								$ 75,000,000
$75 million interest rate swap executed in 2015 [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	$ 75,000,000			$ 75,000,000			$ 0
Seventy-Five Million Unsecured Term Loan executed in 2015 [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives						$ 75,000,000
Term Loan Notional Amount Associated with Interest Rate Swap Derivative						$ 75,000,000