Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Encumbrances	$ 126,970,000
Land	53,229,574
Building and Improvements	463,735,275
SEC Schedule III, Real Estate, Gross [Abstract]
Land	53,229,574
Building and Improvements	463,735,275
Total	516,964,849	$ 0
Accumulated Depreciation	12,060,635	$ 0
Cost capitalized subsequent to acquisition	0
Owens Corning
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Encumbrances	3,300,000
Land	575,000
Building and Improvements	5,166,626
SEC Schedule III, Real Estate, Gross [Abstract]
Land	575,000
Building and Improvements	5,166,626
Total	5,741,626
Accumulated Depreciation	140,519
Westgate II
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Encumbrances	34,200,000
Land	3,732,053
Building and Improvements	55,101,476
SEC Schedule III, Real Estate, Gross [Abstract]
Land	3,732,053
Building and Improvements	55,101,476
Total	58,833,529
Accumulated Depreciation	1,773,562
Administrative Office of Pennsylvania Courts
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Encumbrances	6,070,000
Land	1,207,000
Building and Improvements	8,936,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	1,207,000
Building and Improvements	8,936,000
Total	10,143,000
Accumulated Depreciation	256,311
American Express Center
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Encumbrances	54,900,000
Land	5,750,000
Building and Improvements	113,670,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	5,750,000
Building and Improvements	113,670,000
Total	119,420,000
Accumulated Depreciation	4,308,338
MGM Corporate Center
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Encumbrances	18,180,000
Land	4,260,342
Building and Improvements	28,704,658
SEC Schedule III, Real Estate, Gross [Abstract]
Land	4,260,342
Building and Improvements	28,704,658
Total	32,965,000
Accumulated Depreciation	780,283
American Showa
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Encumbrances	10,320,000
Land	1,452,649
Building and Improvements	15,747,351
SEC Schedule III, Real Estate, Gross [Abstract]
Land	1,452,649
Building and Improvements	15,747,351
Total	17,200,000
Accumulated Depreciation	338,772
Huntington Ingalls
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	5,415,000
Building and Improvements	29,836,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	5,415,000
Building and Improvements	29,836,000
Total	35,251,000
Accumulated Depreciation	570,441
Wyndham
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	5,695,816
Building and Improvements	76,531,589
SEC Schedule III, Real Estate, Gross [Abstract]
Land	5,695,816
Building and Improvements	76,531,589
Total	82,227,405
Accumulated Depreciation	1,355,981
Exel
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	1,988,200
Building and Improvements	13,958,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	1,988,200
Building and Improvements	13,958,000
Total	15,946,200
Accumulated Depreciation	294,978
Morpho Detection
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	2,350,000
Building and Improvements	9,482,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	2,350,000
Building and Improvements	9,482,000
Total	11,832,000
Accumulated Depreciation	227,704
FedEx Freight
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	2,774,000
Building and Improvements	25,913,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	2,774,000
Building and Improvements	25,913,000
Total	28,687,000
Accumulated Depreciation	425,075
Aetna
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	1,852,514
Building and Improvements	20,480,575
SEC Schedule III, Real Estate, Gross [Abstract]
Land	1,852,514
Building and Improvements	20,480,575
Total	22,333,089
Accumulated Depreciation	218,684
Bank of America I
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	5,491,000
Building and Improvements	23,514,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	5,491,000
Building and Improvements	23,514,000
Total	29,005,000
Accumulated Depreciation	597,578
Bank of America II
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	9,206,000
Building and Improvements	20,204,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	9,206,000
Building and Improvements	20,204,000
Total	29,410,000
Accumulated Depreciation	590,529
Atlas Copco
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]
Land	1,480,000
Building and Improvements	16,490,000
SEC Schedule III, Real Estate, Gross [Abstract]
Land	1,480,000
Building and Improvements	16,490,000
Total	17,970,000
Accumulated Depreciation	$ 181,880
Minimum | Owens Corning
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Westgate II
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Administrative Office of Pennsylvania Courts
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | American Express Center
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | MGM Corporate Center
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | American Showa
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Huntington Ingalls
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Wyndham
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Exel
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Morpho Detection
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | FedEx Freight
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Aetna
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Bank of America I
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Bank of America II
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Minimum | Atlas Copco
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	5 years
Maximum | Owens Corning
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Westgate II
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Administrative Office of Pennsylvania Courts
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | American Express Center
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | MGM Corporate Center
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | American Showa
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Huntington Ingalls
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Wyndham
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Exel
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Morpho Detection
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | FedEx Freight
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Aetna
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Bank of America I
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Bank of America II
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years
Maximum | Atlas Copco
SEC Schedule III, Real Estate, Gross [Abstract]
Life used for depreciation	40 years