Real Estate (Details Textual) (USD $)	6 Months Ended		6 Months Ended			6 Months Ended			6 Months Ended			6 Months Ended			6 Months Ended	12 Months Ended
	Jun. 30, 2012 Property	Dec. 31, 2011	Jun. 30, 2012 Travelers Property [Member]	Jun. 30, 2011 Travelers Property [Member]	Jun. 29, 2012 Travelers Property [Member]	Jun. 30, 2012 GE [Member]	Jun. 30, 2011 GE [Member]	May 31, 2012 GE [Member]	Jun. 30, 2012 Westinghouse Property [Member]	Jun. 30, 2011 Westinghouse Property [Member]	Mar. 22, 2012 Westinghouse Property [Member]	Jun. 30, 2012 AT&T Property [Member]	Jun. 30, 2011 AT&T Property [Member]	Jan. 31, 2012 AT&T Property [Member] Property	Jun. 30, 2012 Intangibles [Member]	Dec. 31, 2011 Intangibles [Member]
Real Estate Properties [Line Items]
Lease percentage					100.00%			100.00%			100.00%			100.00%
Lease Term			12 years			6 years			14 years			8 years			9 years 8 months 12 days	9 years 4 months 24 days
Purchase price					$ 16,100,000			$ 13,000,000			$ 36,200,000			$ 40,000,000	$ 0
Credit Facility from KeyBank					9,700,000						27,100,000			22,000,000
Number of Leases														3
Bridge Loan	6,200,000				6,200,000
Good faith deposits					200,000			100,000			700,000
Mezzanine Loan	4,500,000							6,000,000			9,000,000			12,400,000
GE Mortgage Debt						6,900,000
Closing fees and expenses											600,000			300,000
Amortization expense for in-place lease valuation															(200,000)	700,000
Absorption cost															5,100,000	3,200,000
Amortization Term															5 years
Rental Income				10,000			100,000			800,000			1,300,000
Rent received based on acquisition date			2 days			1 month			6 months			5 months
Real estate combined carrying value	272,174,081	172,333,825										270,000,000
lease expirations minimum year												2016
lease expirations maximum year												2015
Real Estate (Textual) [Abstract]
Replacement reserve	500,000
Tax and Insurance Reserves	400,000
Number os properties	11
Percentage of Rental Income from Illinois	27.00%
Percentage of Rental Income from California	26.00%
Tenant security deposits	30,000	30,000
Tenant receivables	0	0
Number of Leases	8
Collateral Received		$ 0