v3.8.0.1
BUSINESS AND ORGANIZATION (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 24, 2015
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2015
Jan. 19, 2018
Jan. 18, 2018
Jan. 02, 2018
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 (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest   1.00%              
Stock Issued During Period, Value, New Issues   $ 14,341,117 $ 500            
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  
Common Stock, Par or Stated Value Per Share   $ 0.001 $ 0.001            
Stock Issued During Period, Shares, New Issues   33              
Stock Issued During Period, Value, New Issues   $ 0              
Net Asset Value Per Share         $ 10.05 $ 10.05 $ 10.00    
Shares, Outstanding   3,065 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   1,429,021              
Shares Issued, Price Per Share   $ 10.05              
Stock Issued During Period, Value, New Issues   $ 1,418              
Shares, Outstanding   10,098,354 8,838,002            
Common Class C [Member] | Minimum [Member]                  
Business And Organisation [Line Items]                  
Stock Issued During Period, Value, New Issues   $ 500              
Preferred Stock [Member]                  
Business And Organisation [Line Items]                  
Preferred Stock, Shares Authorized   50,000              
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]                  
Business And Organisation [Line Items]                  
Common Stock, Value, Subscriptions                 $ 10,000,000
DRP Offering [Member] | Common Class S [Member]                  
Business And Organisation [Line Items]                  
Stock Issued During Period, Shares, New Issues   65              
Stock Issued During Period, Value, New Issues   $ 30,654              
DRP Offering [Member] | Common Class C [Member]                  
Business And Organisation [Line Items]                  
Stock Issued During Period, Shares, New Issues   10,484,196              
Stock Issued During Period, Value, New Issues   $ 104,892,549              
DRP Offering [Member] | Distribution Reinvestment Plan [Member] | Common Class C [Member]                  
Business And Organisation [Line Items]                  
Stock Issued During Period, Shares, New Issues   444,514              
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