Investment in Joint Venture (Schedule of Financial Information for Joint Ventures) (Details) (Fund XI-XII-REIT Associates, USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Total Revenues	$ 242,347	$ 278,947	$ 409,584	$ 571,681
Net Income (Loss)	(2,456,925)	12,364	(2,535,183)	(26,119)
20/20 Building \| Fair Value, Inputs, Level 1
Schedule of Equity Method Investments [Line Items]
Impairment of real estate	2,411,051
Impairment of real estate allocated to partnership	$ 630,442

The amount of net income (loss) reported by an equity method investment of the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details

WELLS REAL ESTATE FUND XI L P 10-Q