Quarterly report pursuant to Section 13 or 15(d)

Property Portfolio (Gross Investment) (Details)

v3.5.0.2
Property Portfolio (Gross Investment) (Details)
 6 Months Ended
Jun. 30, 2016
USD ($)
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 $ 56,138,123
Property Plant And Equipment Additions [Abstract]  
Acquisitions 37,946,139
Balances as of June 30, 2016 94,084,262
Plano Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 17,746,139
Melbourne Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 15,450,000
Westland Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 4,750,000
Land [Member]  
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 4,563,852
Property Plant And Equipment Additions [Abstract]  
Acquisitions 2,480,000
Balances as of June 30, 2016 7,043,852
Land [Member] | Plano Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 1,050,000
Land [Member] | Melbourne Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 1,200,000
Land [Member] | Westland Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 230,000
Land, Buildings and Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 51,574,271
Property Plant And Equipment Additions [Abstract]  
Acquisitions 35,466,139
Balances as of June 30, 2016 87,040,410
Land, Buildings and Improvements [Member] | Plano Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 16,696,139
Land, Buildings and Improvements [Member] | Melbourne Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions 14,250,000
Land, Buildings and Improvements [Member] | Westland Facility [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions $ 4,520,000