Annual report pursuant to Section 13 and 15(d)

Property Portfolio (Gross Investment) (Details)

v3.5.0.1
Property Portfolio (Gross Investment) (Details)
 12 Months Ended
Dec. 31, 2015
USD ($)
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 $ 24,373,762
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 31,764,361
Balances as of March 31, 2016 56,138,123
Tennessee facilities [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 20,155,690
West Mifflin Facilities [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 11,608,671
Land [Member]  
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 572,400
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 3,991,452
Balances as of March 31, 2016 4,563,852
Land [Member] | Tennessee facilities [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 2,704,452
Land [Member] | West Mifflin Facilities [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 1,287,000
Land, Buildings and Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Balances as of January 1, 2016 23,801,362
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 27,772,909
Balances as of March 31, 2016 51,574,271
Land, Buildings and Improvements [Member] | Tennessee facilities [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions: 17,451,238
Land, Buildings and Improvements [Member] | West Mifflin Facilities [Member]  
Property Plant And Equipment Additions [Abstract]  
Acquisitions: $ 10,321,671