Related Party Transactions (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Related Party Transaction [Line Items]
Acquisition fee amortization period (in years)	30 years
Managing General Partner [Member]
Related Party Transaction [Line Items]
Acquisition fees	$ 1,200,000
Percent of capital contributions acquisition fee is equal to	2.00%
Acquisition fee amortization period (in years)	30 years
Payroll expenses reimbursement, base salary factor	1.75
Reimbursement of payroll expenses	119,207	171,857
Percent of invested assets Management Fee shall not exceed	0.25%
Management Fee	300,000	300,000
Distributions to limited partners, percent of gross proceeds of the offering	1.00%
Disposition fees	1,271,000
Professional Fees [Member] | Managing General Partner [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 149,301	$ 94,712
Maximum [Member] | Managing General Partner [Member]
Related Party Transaction [Line Items]
Management fee, percent of sale price	5.00%