BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Loans Receivable
(Decrease) increase in impairment allowance on loans receivable	$ 36,000		$ (65,000)
Impairments on loans receivable		$ 0		$ 0
Deferred Rent Receivable and Charges
Deferred rent receivable	55,313,000		55,313,000		$ 53,622,000
Deferred loan costs, gross	10,941,000		10,941,000		7,521,000
Deferred loan costs, accumulated amortization	3,251,000		3,251,000		1,741,000
Deferred leasing costs, gross	56,511,000		56,511,000		55,145,000
Deferred leasing costs, accumulated amortization	$ 19,462,000		$ 19,462,000		$ 16,917,000