Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Summary of Total Operating Revenues and Earnings Recognized on Properties Acquired (Detail)

v3.3.0.814
Real Estate and Intangible Assets - Summary of Total Operating Revenues and Earnings Recognized on Properties Acquired (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 10, 2015
Feb. 23, 2015
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Real Estate Properties [Line Items]            
Rental revenue     $ 3,080,240 $ 1,771,106 $ 8,483,023 $ 4,828,033
Spring Valley [Member]            
Real Estate Properties [Line Items]            
Rental revenue   $ 327,904        
McIntosh Road [Member]            
Real Estate Properties [Line Items]            
Rental revenue $ 43,200          
2015 New Real Estate Activity [Member]            
Real Estate Properties [Line Items]            
Rental revenue     629,000   1,086,976  
Earnings     349,217   $ 575,814  
2015 New Real Estate Activity [Member] | Espinosa Road [Member]            
Real Estate Properties [Line Items]            
Acquisition Date         Jan. 05, 2015  
Rental revenue     194,586   $ 575,387  
Earnings     81,522   $ 280,393  
2015 New Real Estate Activity [Member] | Parrish Road [Member]            
Real Estate Properties [Line Items]            
Acquisition Date         Mar. 10, 2015  
Rental revenue     62,958   $ 140,133  
Earnings     8,978   $ 37,927  
2015 New Real Estate Activity [Member] | Immokalee Exchange [Member]            
Real Estate Properties [Line Items]            
Acquisition Date         Jun. 25, 2015  
Rental revenue     240,026   $ 240,026  
Earnings     152,860   $ 151,637  
2015 New Real Estate Activity [Member] | Holt County [Member]            
Real Estate Properties [Line Items]            
Acquisition Date         Aug. 20, 2015  
Rental revenue     33,500   $ 33,500  
Earnings     24,343   $ 24,343  
2015 New Real Estate Activity [Member] | Rock County [Member]            
Real Estate Properties [Line Items]            
Acquisition Date         Aug. 20, 2015  
Rental revenue     33,500   $ 33,500  
Earnings     22,491   $ 22,491  
2015 New Real Estate Activity [Member] | Bear Mountain [Member]            
Real Estate Properties [Line Items]            
Acquisition Date         Sep. 03, 2015  
Rental revenue     64,430   $ 64,430  
Earnings     $ 59,023   $ 59,023  
2014 New Real Estate Activity [Member]            
Real Estate Properties [Line Items]            
Rental revenue       235,607   269,408
Earnings       $ 77,168   94,731
2014 New Real Estate Activity [Member] | Collins Road [Member]            
Real Estate Properties [Line Items]            
Acquisition Date       May 30, 2014    
Rental revenue       $ 45,293   61,365
Earnings       $ 10,662   18,940
2014 New Real Estate Activity [Member] | Spring Valley [Member]            
Real Estate Properties [Line Items]            
Acquisition Date       Jun. 13, 2014    
Rental revenue       $ 67,725   81,270
Earnings       $ 36,366   44,700
2014 New Real Estate Activity [Member] | McIntosh Road [Member]            
Real Estate Properties [Line Items]            
Acquisition Date       Jun. 20, 2014    
Rental revenue       $ 20,549   24,733
Earnings       $ (41,294)   (40,343)
2014 New Real Estate Activity [Member] | Naumann Road [Member]            
Real Estate Properties [Line Items]            
Acquisition Date       Jul. 23, 2014    
Rental revenue       $ 62,920   62,920
Earnings       $ 44,514   44,514
2014 New Real Estate Activity [Member] | Sycamore Road [Member]            
Real Estate Properties [Line Items]            
Acquisition Date       Jul. 25, 2014    
Rental revenue       $ 34,252   34,252
Earnings       $ 22,052   22,052
2014 New Real Estate Activity [Member] | Wauchula Road [Member]            
Real Estate Properties [Line Items]            
Acquisition Date       Sep. 29, 2014    
Rental revenue       $ 4,868   4,868
Earnings       $ 4,868   $ 4,868