FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Financial Assets [Abstract]
Cash and Cash Equivalents, at Carrying Value	$ 13	$ 11	$ 19	$ 8
Cash held in escrow for 1031 exchange	0	698
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and Cash Equivalents, at Carrying Value	13	11
Cash held in escrow for 1031 exchange	0	698
Mortgage loans receivable	4,934	4,991
Interest rate swap assets	1,585	812
Financial Liabilities [Abstract]
Secured debt	385,714	453,776
Unsecured debt	455,000	380,000
Unsecured bank credit facilities	133,328	99,401
Interest rate swap liabilities	3,479	3,314
Fair Value [Member]
Financial Assets [Abstract]
Cash and Cash Equivalents, Fair Value Disclosure	13	11
Cash held in escrow for 1031 exchange	0	698
Mortgage loans receivable	4,978	5,055
Interest rate swap assets	1,585	812
Financial Liabilities [Abstract]
Secured debt	405,240	478,659
Unsecured debt	428,493	364,295
Unsecured bank credit facilities	133,688	99,638
Interest rate swap liabilities	$ 3,479	$ 3,314