TAXABLE INCOME AND TAX BASIS (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
TAXABLE INCOME AND TAX BASIS
Book/Tax differences on tax free exchanges									$ (827,000)	$ (4,670,000)	$ 266,000
Book/Tax differences from depreciation and amortization									2,884,000	300,000	(51,000)
Excess amount of cumulative statement basis over cumulative taxable basis	5,000,000								5,000,000
Excess amount of statement income from joint venture investments over taxable income									1,300,000
Reconciliation of GAAP net income to taxable income
Financial statement ("book") net income	591,256	181,487	281,721	(29,614)	317,518	(32,874)	4,469,116	901,625	1,024,850	5,655,385	3,633,798
Book/Tax differences from depreciation and amortization									(2,884,000)	(300,000)	51,000
Book/Tax differences on tax free exchanges									(827,000)	(4,670,000)	266,000
Book/Tax differences from Investment Properties									307,000	400,000	198,000
Increase (Decrease) in prepaid rent and allowances									269,000	175,000	(40,000)
Other									2,000	50,000	57,000
Taxable income (loss)									$ (2,108,000)	$ 1,310,000	$ 4,166,000