Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Statement Of Financial Position [Abstract]
Accumulated amortized leasing commissions	$ 2,597,052	$ 1,928,113
Accumulated amortized mortgage refinancing costs	$ 7,098,234	$ 4,375,168
Participation units outstanding	3,300	3,300
Stated value per participation units	$ 10,000	$ 10,000