Real Estate Assets - (Details) (USD $)	12 Months Ended					12 Months Ended
	Dec. 31, 2012 Property	Dec. 31, 2011 Property	Dec. 31, 2012 Advisors	Dec. 31, 2011 Advisors	Dec. 31, 2011 Property escrow deposits Advisors	Dec. 31, 2011 2011 acquisitions	Dec. 31, 2010 2011 acquisitions	Dec. 31, 2012 2012 acquisitions	Dec. 31, 2011 2012 acquisitions	Dec. 31, 2012 Acquired in-place leases	Dec. 31, 2011 Acquired in-place leases	Dec. 31, 2011 Acquired above-market leases	Dec. 31, 2011 Acquired below-market leases
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	100.00%	100.00%
Number of real estate acquistions (in number of properties)	1	9
Business Acquisition, Purchase Price Allocation [Abstract]
Land	$ 141,433	$ 12,624,154
Building and improvements	1,448,425	15,444,792
Acquired in-place leases and above-market leases										190,909	3,603,396	99,622
Acquired below-market leases													(953,439)
Total purchase price	1,780,767	30,818,525
Business Combination, Pro Forma Information [Abstract]
Revenue of acquiree since acquisition date	11,000	155,000
Loss of acquiree since acquisition date	(17,000)	359,000
Acquisition related expenses	21,394	416,572
Revenue						2,522,000	1,069,000	2,806,000	285,000
Net income (loss)						319,000	(282,000)	15,000	(360,000)
Due to affiliates	$ 335,109	$ 1,085,314	$ 335,000	$ 1,100,000	$ 905,000