REAL ESTATE LOANS RECEIVABLE (Schedule of Interest Income from Real Estate Loans Receivable) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Rent and Other Receivables [Member]	Dec. 31, 2012 Rent and Other Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contractual interest income	$ 267,000	$ 219,000	$ 524,000	$ 424,000
Amortization of closing costs and origination fees	(6,000)	(5,000)	(12,000)	(11,000)
Interest income from real estate loans receivable	261,000	214,000	512,000	413,000
Interest receivable					$ 100,000	$ 100,000