Real Estate (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Price Allocation and Related Financing Activity
Land	$ 42,797,019	$ 27,003,796
Building and improvements	176,082,342	110,929,358
Tenant origination and absorption cost	53,294,720	34,400,671
In-place lease valuation (above market)	6,942,672	1,515,938
Credit Facility draw	95,880,000	35,395,985
Bridge Loan	6,200,000
Mezzanine Loan	4,500,000
Travelers Property [Member]
Price Allocation and Related Financing Activity
Land	2,600,000
Building and improvements	9,062,597
Tenant origination and absorption cost	4,437,403
Total	16,100,000
Credit Facility draw	9,660,000
Bridge Loan	6,200,000
Prepaid Rent	13,000
Cash used and credits received to acquire property (deposits and closing costs, net)	227,000
Total	16,100,000
GE [Member]
Price Allocation and Related Financing Activity
Land	3,773,000
Building and improvements	7,707,174
Tenant origination and absorption cost	1,322,919
In-place lease valuation (above market)	408,330
Debt premium	(211,423)
Total	13,000,000
Mortgage Payable Assumed	6,908,270
Mezzanine Loan	5,971,385
Prepaid Rent	2,912
Cash used and credits received to acquire property (deposits and closing costs, net)	117,433
Total	13,000,000
Westinghouse Property [Member]
Price Allocation and Related Financing Activity
Land	2,650,000
Building and improvements	22,024,952
Tenant origination and absorption cost	7,070,642
In-place lease valuation (above market)	4,454,406
Total	36,200,000
Credit Facility draw	27,095,000
Mezzanine Loan	9,000,000
Prepaid Rent	70,000
Cash used and credits received to acquire property (deposits and closing costs, net)	35,000
Total	36,200,000
AT&T Property [Member]
Price Allocation and Related Financing Activity
Land	6,770,223
Building and improvements	26,357,255
Tenant origination and absorption cost	6,063,085
In-place lease valuation (above market)	809,437
Total	40,000,000
Credit Facility draw	22,000,000
Mezzanine Loan	12,400,000
Cash used and credits received to acquire property (deposits and closing costs, net)	5,600,000
Total	$ 40,000,000