DEBT (Details) - USD ($)	3 Months Ended	6 Months Ended
	Mar. 31, 2015	Jun. 30, 2015
Secured and Unsecured Debt [Line Items]
Unsecured bank credit facilities, change during period		$ 33,927,000
Secured and unsecured debt [Member]
Payments of principal over future years [Abstract]
Remainder of 2015		34,312,000
2016		92,808,000
2017		58,239,000
2018		141,316,000
2019		130,568,000
2020 and beyond		383,471,000
Secured Debt [Member]
Secured and Unsecured Debt [Line Items]
Secured debt, change during period		(68,062,000)
Secured debt, amount repaid during period		57,450,000
Secured debt, principal payments during period		10,592,000
Amortization of Debt Discount (Premium)		20,000
Unsecured Debt [Member]
Secured and Unsecured Debt [Line Items]
Unsecured debt, change during period		$ 75,000,000
$75 million interest rate swap executed in 2015 [Member]
Secured and Unsecured Debt [Line Items]
Derivative, Notional Amount	$ 75,000,000
$75 million interest rate swap executed in 2015 [Member] | Unsecured Debt [Member]
Secured and Unsecured Debt [Line Items]
Long-term Debt, Maturities, Repayment Terms (in years)	7
Long-term debt, margin over LIBOR rate	1.40%
Effective Interest Rate	3.031%