Real Estate Assets Fair Value of Acquisition (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Real estate assets	$ 105,334,131	$ 85,488,292
Total assets	450,054,727	413,150,755
Accounts payable, accrued expenses and other liabilities	5,160,479	5,013,947
Partners' Capital	156,266,720	181,917,192
Total Liabilities and Partners' Capital	450,054,727	413,150,755
Woodland Park [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other current assets	201,321
In-place lease assets	403,216
Real estate assets	15,258,784
Total assets	15,863,321
Accounts payable, accrued expenses and other liabilities	192,345
Partners' Capital	15,670,976
Total Liabilities and Partners' Capital	15,863,321
Maples on 97th [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other current assets	44,534
In-place lease assets	428,865
Real estate assets	5,071,135
Total assets	5,544,534
Accounts payable, accrued expenses and other liabilities	69,120
Partners' Capital	5,475,414
Total Liabilities and Partners' Capital	$ 5,544,534