Quarterly report pursuant to Section 13 or 15(d)

Property Portfolio (Gross Investment) (Details)

v3.5.0.2
Property Portfolio (Gross Investment) (Details)
 9 Months Ended
Sep. 30, 2016
USD ($)
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 $ 56,138,123
Acquisitions 68,690,495
Balances as of September 30, 2016 124,828,618
Watertown Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 9,102,171
East Orange Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 12,262,200
Reading Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 9,379,985
Melbourne Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 15,450,000
Westland Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,750,000
Plano Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 17,746,139
Land [Member]  
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 4,563,852
Acquisitions 7,170,000
Balances as of September 30, 2016 11,733,852
Land [Member] | Watertown Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 1,100,000
Land [Member] | East Orange Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 2,150,000
Land [Member] | Reading Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 1,440,000
Land [Member] | Melbourne Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 1,200,000
Land [Member] | Westland Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 230,000
Land [Member] | Plano Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 1,050,000
Land, Buildings and Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 51,574,271
Acquisitions 61,520,495
Balances as of September 30, 2016 113,094,766
Land, Buildings and Improvements [Member] | Watertown Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 8,002,171
Land, Buildings and Improvements [Member] | East Orange Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 10,112,200
Land, Buildings and Improvements [Member] | Reading Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 7,939,985
Land, Buildings and Improvements [Member] | Melbourne Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 14,250,000
Land, Buildings and Improvements [Member] | Westland Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,520,000
Land, Buildings and Improvements [Member] | Plano Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions $ 16,696,139