BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Loans Receivable
(Decrease) increase in impairment allowance on loans receivable	$ 2,000		$ 67,000
Impairments on loans receivable		$ 0		$ 0
Deferred Rent Receivable and Charges
Deferred rent receivable	56,122,000		56,122,000		$ 53,622,000
Deferred loan costs, gross	10,438,000		10,438,000		7,521,000
Deferred loan costs, accumulated amortization	3,504,000		3,504,000		1,741,000
Deferred leasing costs, gross	58,294,000		58,294,000		55,145,000
Deferred leasing costs, accumulated amortization	$ 19,340,000		$ 19,340,000		$ 16,917,000