SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)	3 Months Ended			0 Months Ended		3 Months Ended			3 Months Ended
	Mar. 31, 2014 item	Mar. 31, 2013	Dec. 31, 2013	Jan. 03, 2012 Class A units	Aug. 20, 2007 Class A units	Mar. 31, 2014 Minimum	Mar. 31, 2014 Minimum Cash and cash equivalents	Mar. 31, 2014 Maximum	Mar. 31, 2014 Maximum Cash and cash equivalents	Mar. 31, 2014 Investment Properties/Joint Venture item	Mar. 31, 2014 Investment Properties/Joint Venture Minimum	Mar. 31, 2014 Investment Properties/Joint Venture Maximum
Principles of Consolidation
Ownership interest in each subsidiary (as a percent)						99.67%		100.00%
Number of limited liability companies										9
Percentage of ownership in Joint Ventures											40.00%	50.00%
Value of equity method investment to discontinued partnership	$ 0
Revenue Recognition
Period for which arrears are charged against income	60 days
Income Taxes
Provision for income taxes	0
Segment Reporting
Number of segments	1
Income (Loss) Per Depositary Receipt
Forward split of depositary receipts				3
Exchange ratio of depositary receipts for partnership units before adjustment				10
Exchange ratio of depositary receipts for partnership units after adjustment				30
Number of units in each depository receipt				0.03333	0.1
Income Per Unit
Dilutive units	0
Concentration of Credit Risks and Financial Instruments
Interest rate on interest bearing accounts (as a percent)							0.01%		0.35%
Federally uninsured amounts of cash and cash equivalents, and security deposits included in prepaid expenses and other assets	12,033,000		15,275,000
Advertising Expense
Advertising expense	30,239	11,535
Interest Capitalized
Criteria of capitalization of interest on property based on specified period of construction						1 year
Capitalized interest	$ 0	$ 0