Related-Party Transactions (Details) (USD $)	3 Months Ended	0 Months Ended	3 Months Ended				0 Months Ended
	Mar. 31, 2013 Wells Management Leasing_Fee	Oct. 22, 2012 Piedmont Office Realty Trust, Inc.	Mar. 31, 2013 Management Fees, Leasing Fees, and Acquisition Costs Wells Management	Mar. 31, 2012 Management Fees, Leasing Fees, and Acquisition Costs Wells Management	Mar. 31, 2013 Administrative Expenses Wells Capital and Wells Management	Mar. 31, 2012 Administrative Expenses Wells Capital and Wells Management	Apr. 21, 2008 In re Wells Real Estate Investment Trust, Inc. Securities Litigation Piedmont Office Realty Trust, Inc.	Mar. 31, 2008 In re Wells Real Estate Investment Trust, Inc. Securities Litigation Piedmont Office Realty Trust, Inc. Legal_Complaints	Mar. 12, 2007 In re Wells Real Estate Investment Trust, Inc. Securities Litigation Piedmont Office Realty Trust, Inc. Legal_Complaints
Related Party Transaction [Line Items]
Monthly management fee (percent)	3.00%
Monthly leasing fee (percent)	3.00%
Minimum commercial lease term (in years)	10 years
Monthly management and leasing fee for long-term commercial property leases (percent)	1.00%
Number of times initial leasing fee incurred	1
Initial leasing fee (percent)	3.00%
Initial leasing fee payable for new leases (years)	5 years
Partnership's share of costs incurred through joint venture			$ 6,052	$ 13,707	$ 18,721	$ 25,253
Number of dismissed complaints								5
Number of complaints in original filing of litigation									7
Number of complaints allowed by court								2
Damages sought in complaints							159,000,000
Proposed cash payment to settle lawsuit		$ 4,900,000
Prior notice requirement for termination of agreements (in days)	60 days