v3.10.0.1
BUSINESS AND ORGANIZATION (Details Textual) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Jun. 24, 2015
Jun. 30, 2018
Dec. 31, 2015
Jan. 19, 2018
Jan. 18, 2018
Dec. 31, 2017
Aug. 11, 2017
Jul. 15, 2015
Business And Organisation [Line Items]                
Authority To Issue of Common Stock   450,000,000            
Preferred Stock, Shares Authorized   50,000,000       50,000,000    
Preferred Stock, Par or Stated Value Per Share   $ 0.001       $ 0.001    
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest   99.00%            
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest   1.00%            
Stock Issued During Period, Value, New Issues   $ 27,220,462            
Minimum [Member]                
Business And Organisation [Line Items]                
Net Asset Value Per Share       $ 10.00        
Maximum [Member]                
Business And Organisation [Line Items]                
Net Asset Value Per Share       $ 10.05        
Tenant-in-common [Member] | Real Estate Investment [Member]                
Business And Organisation [Line Items]                
Equity Method Investment, Ownership Percentage   72.70%            
Affiliated REIT [Member] | Real Estate Investment [Member]                
Business And Organisation [Line Items]                
Equity Method Investment, Ownership Percentage   4.30%            
Common Class S [Member]                
Business And Organisation [Line Items]                
Common Stock, Shares Authorized   100,000,000       100,000,000 100,000,000 10,000,000
Common Stock, Par or Stated Value Per Share   $ 0.001       $ 0.001    
Stock Issued During Period, Shares, New Issues   66            
Stock Issued During Period, Value, New Issues   $ 0            
Net Asset Value Per Share         $ 10.05      
Shares, Outstanding   3,098       3,032    
Common Class C [Member]                
Business And Organisation [Line Items]                
Common Stock, Shares Authorized   300,000,000       300,000,000    
Common Stock, Par or Stated Value Per Share   $ 0.001       $ 0.001    
Stock Issued During Period, Shares, New Issues   2,710,514            
Stock Issued During Period, Value, New Issues   $ 2,711            
Shares, Outstanding   11,182,489       8,838,002    
Common Class C [Member] | Minimum [Member]                
Business And Organisation [Line Items]                
Stock Issued During Period, Shares, New Issues   500            
Preferred Stock [Member]                
Business And Organisation [Line Items]                
Preferred Stock, Shares Authorized   50,000,000            
Preferred Stock, Par or Stated Value Per Share   $ 0.001            
IPO [Member]                
Business And Organisation [Line Items]                
Common Stock, Value, Subscriptions               $ 90,000,000
DRP Offering [Member] | Common Class S [Member]                
Business And Organisation [Line Items]                
Stock Issued During Period, Shares, New Issues   99            
Stock Issued During Period, Value, New Issues   $ 30,989            
DRP Offering [Member] | Common Class C [Member]                
Business And Organisation [Line Items]                
Stock Issued During Period, Shares, New Issues   11,765,689            
Stock Issued During Period, Value, New Issues   $ 117,771,558            
DRP Offering [Member] | Distribution Reinvestment Plan [Member] | Common Class C [Member]                
Business And Organisation [Line Items]                
Stock Issued During Period, Shares, New Issues   584,624            
Sponsor [Member]                
Business And Organisation [Line Items]                
Stock Issued During Period, Shares, New Issues 10,000   10,000          
Shares Issued, Price Per Share $ 10.00   $ 10.00