SUBSEQUENT EVENTS (Details) (USD $)	9 Months Ended		73 Months Ended	1 Months Ended	0 Months Ended		9 Months Ended		73 Months Ended	0 Months Ended	9 Months Ended		73 Months Ended	0 Months Ended	9 Months Ended		73 Months Ended	1 Months Ended	0 Months Ended			1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Apr. 30, 2008 Mortgage Hamilton Bay Unit Sales	Jul. 15, 2013 Hamilton Green Apartments, LLC	Sep. 30, 2013 Hamilton Green Apartments, LLC Mortgage	Sep. 30, 2013 Class A units	Sep. 30, 2012 Class A units	Sep. 30, 2013 Class A units	Sep. 17, 2008 Class B Units	Sep. 30, 2013 Class B Units	Sep. 30, 2012 Class B Units	Sep. 30, 2013 Class B Units	Sep. 17, 2008 General Partnership units	Sep. 30, 2013 General Partnership units	Sep. 30, 2012 General Partnership units	Sep. 30, 2013 General Partnership units	Nov. 13, 2013 Subsequent events	Oct. 18, 2013 Subsequent events Mortgage Hamilton Bay Unit Sales	Oct. 18, 2013 Subsequent events Mortgage Hamilton Bay Unit Sales Joint venture partner	Oct. 01, 2013 Subsequent events Westgate Apartments LLC Mortgage	Nov. 13, 2013 Subsequent events Class A units	Nov. 13, 2013 Subsequent events Class B Units	Nov. 13, 2013 Subsequent events General Partnership units
Subsequent events
Borrowings				$ 2,368,000		$ 38,500,000															$ 15,700,000
Interest rate (as a percent)				5.75%		4.67%															4.65%
Period for which the entity is required to make interest only payments						2 years															10 years
Refinancing cost																					190,000
Capital contribution made to repay the debt																			660,000	660,000
Term of debt						15 years
Amortization period of debt						30 years
Additional capital required for refinancing						1,500,000
Closing costs associated with financing					126,000	405,000
Repurchase of depository receipts			1,241,636				21,709		1,241,636		172		2,093					92
Repurchase price of depository receipts			$ 24.84															$ 43.73
Repurchase price of units									$ 745.20				$ 655.55									$ 1,312
Repurchase of units	(905)	(708)								6,309				333	9		110						0.73	0.03
Total cost of repurchase	$ 1,021,987	$ 610,294	$ 32,408,000				$ 819,240	$ 488,627			$ 192,610	$ 115,584			$ 10,137	$ 6,083	$ 655.55	$ 4,210					$ 962	$ 44