Condensed Balance Sheets (Unaudited) (Parenthetical) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Real estate:
Leasing commissions, less accumulated amortization	$ 2,899,269	$ 2,899,269	$ 2,742,063
Mortgage refinancing costs, less accumulated amortization	1,643,422	1,643,422	1,461,613
Liabilities:
Participation units, outstanding	700	700	700
Amount of participation unit	$ 10,000	$ 10,000	$ 10,000

For an unclassified balance sheet, the accumulated amortization, as of the reporting date, which represents the periodic charge to earnings of initial direct costs which have been deferred and are being allocated over the lease term in proportion to the recognition of rental income.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 13
-Paragraph 19
-Subparagraph c

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant