Balance Sheets (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Investment properties, cost of acquisition fees paid to affiliates	$ 339,956	$ 366,275
Limited partners units value	$ 1,000	$ 1,000
Limited partners units, authorized	60,000	60,000
Limited partners units, outstanding	50,068	50,068
Limited partners units, offering costs	7,532,439	7,532,439
Limited partners units, offering costs paid to affiliates	$ 2,535,445	$ 2,535,445