FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Financial Assets:
Cash and Cash Equivalents, at Carrying Value	$ 19	$ 8	$ 10	$ 1,258
Carrying Amount [Member]
Financial Assets:
Cash and Cash Equivalents, at Carrying Value	19	8
Mortgage loans receivable, net of discount	8,798	8,870
Interest rate swap assets	816	1,692
Financial Liabilities:
Secured debt	488,632	499,793
Unsecured debt	305,000	305,000
Unsecured bank credit facilities	142,392	88,952
Interest rate swap liabilities	2,130	244
Fair Value [Member]
Financial Assets:
Cash and Cash Equivalents, Fair Value Disclosure	19	8
Mortgage loans receivable, net of discount	9,004	9,040
Interest rate swap assets	816	1,692
Financial Liabilities:
Secured debt	516,341	519,390
Unsecured debt	303,060	294,860
Unsecured bank credit facilities	142,826	89,140
Interest rate swap liabilities	$ 2,130	$ 244