SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)	12 Months Ended			0 Months Ended		12 Months Ended			12 Months Ended
	Dec. 31, 2013 item	Dec. 31, 2012	Dec. 31, 2011	Jan. 03, 2012 Class A units	Aug. 20, 2007 Class A units	Dec. 31, 2013 Minimum	Dec. 31, 2013 Minimum Cash and cash equivalents	Dec. 31, 2013 Maximum	Dec. 31, 2013 Maximum Cash and cash equivalents	Dec. 31, 2013 Investment Properties/Joint Venture item	Dec. 31, 2013 Investment Properties/Joint Venture Minimum	Dec. 31, 2013 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	15,275,000	8,000,000
Advertising Expense
Advertising expense	41,285	52,084	88,585
Interest Capitalized
Criteria of capitalization of interest on property based on specified period of construction						1 year
Capitalized interest	$ 0	$ 0	$ 0