Quarterly report pursuant to Section 13 or 15(d)

Property Portfolio (Gross Investment) (Details)

v3.7.0.1
Property Portfolio (Gross Investment) (Details)
 3 Months Ended
Mar. 31, 2017
USD ($)
Property, Plant and Equipment [Line Items]  
Beginning Balance $ 206,597,373
Acquisitions 108,066,818
Ending Balance 314,664,191
Sandusky Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,406,811
Oklahoma City Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 49,500,000
Great Bend Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 24,637,687
Clermont Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 5,225,000
Prescott Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,612,054
Las Cruces Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 5,015,406
Cape Coral Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 7,369,860
Lewisburg facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 7,300,000
Land [Member]  
Property, Plant and Equipment [Line Items]  
Beginning Balance 17,785,001
Acquisitions 5,345,336
Ending Balance 23,130,337
Land [Member] | Sandusky Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 409,204
Land [Member] | Oklahoma City Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 2,086,885
Land [Member] | Great Bend Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 836,929
Land [Member] | Clermont Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0
Land [Member] | Prescott Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 790,637
Land [Member] | Las Cruces Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 397,148
Land [Member] | Cape Coral Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 353,349
Land [Member] | Lewisburg facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 471,184
Land, Buildings and Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Beginning Balance 179,253,398
Acquisitions 91,148,425
Ending Balance 270,401,823
Land, Buildings and Improvements [Member] | Sandusky Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 3,997,607
Land, Buildings and Improvements [Member] | Oklahoma City Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 37,713,709
Land, Buildings and Improvements [Member] | Great Bend Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 23,800,758
Land, Buildings and Improvements [Member] | Clermont Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,361,028
Land, Buildings and Improvements [Member] | Prescott Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 3,821,417
Land, Buildings and Improvements [Member] | Las Cruces Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,618,258
Land, Buildings and Improvements [Member] | Cape Coral Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 7,016,511
Land, Buildings and Improvements [Member] | Lewisburg facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 5,819,137
Building and Building Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Beginning Balance 2,651,287
Acquisitions 2,587,378
Ending Balance 5,238,665
Building and Building Improvements [Member] | Sandusky Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0
Building and Building Improvements [Member] | Oklahoma City Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 1,876,730
Building and Building Improvements [Member] | Great Bend Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0
Building and Building Improvements [Member] | Clermont Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 205,922
Building and Building Improvements [Member] | Prescott Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0
Building and Building Improvements [Member] | Las Cruces Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0
Building and Building Improvements [Member] | Cape Coral Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0
Building and Building Improvements [Member] | Lewisburg facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 504,726
Investment Subtotal [Member]  
Property, Plant and Equipment [Line Items]  
Beginning Balance 199,689,686
Acquisitions 99,081,139
Ending Balance 298,770,825
Investment Subtotal [Member] | Sandusky Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,406,811
Investment Subtotal [Member] | Oklahoma City Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 41,677,324
Investment Subtotal [Member] | Great Bend Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 24,637,687
Investment Subtotal [Member] | Clermont Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,566,950
Investment Subtotal [Member] | Prescott Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 4,612,054
Investment Subtotal [Member] | Las Cruces Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 5,015,406
Investment Subtotal [Member] | Cape Coral Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 7,369,860
Investment Subtotal [Member] | Lewisburg facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 6,795,047
Intangibles [Member]  
Property, Plant and Equipment [Line Items]  
Beginning Balance 6,907,687 [1]
Acquisitions 8,985,679 [1]
Ending Balance 15,893,366 [1]
Intangibles [Member] | Sandusky Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0 [1]
Intangibles [Member] | Oklahoma City Facilities [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 7,822,676 [1]
Intangibles [Member] | Great Bend Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0 [1]
Intangibles [Member] | Clermont Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 658,050 [1]
Intangibles [Member] | Prescott Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0 [1]
Intangibles [Member] | Las Cruces Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0 [1]
Intangibles [Member] | Cape Coral Facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions 0 [1]
Intangibles [Member] | Lewisburg facility [Member]  
Property, Plant and Equipment [Line Items]  
Acquisitions $ 504,953 [1]
[1] Represents intangible assets acquired net of intangible liabilities acquired.