Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.20.2
Subsequent Events (Details) - USD ($)
9 Months Ended
Oct. 14, 2020
Sep. 03, 2020
Aug. 01, 2020
Jul. 15, 2020
Sep. 30, 2020
Dec. 31, 2019
Subsequent Event [Line Items]            
Loans payable, net         $ 318,230,000 $ 340,913,000
Walnut Hill Plaza            
Subsequent Event [Line Items]            
Loans payable, net       $ 3,300,000 3,287,000 3,759,000
Debt instrument, periodic payment       $ 443,000    
Shoppes at TJ Maxx            
Subsequent Event [Line Items]            
Loans payable, net     $ 5,280,000   5,244,000 5,344,000
Debt instrument, periodic payment     $ 34,000   33,880  
First National Bank Line of Credit | Line of Credit            
Subsequent Event [Line Items]            
Loans payable, net         1,127,000 1,214,000
Debt instrument, periodic payment         $ 24,656  
First National Bank Line of Credit | Line of Credit | LIBOR            
Subsequent Event [Line Items]            
Debt instrument, basis spread on variable rate         3.00%  
First National Bank Line of Credit | Subsequent Event            
Subsequent Event [Line Items]            
Loans payable, net $ 1,130,000          
Debt instrument, periodic payment $ 25,000          
Debt instrument, interest rate floor 4.25%          
First National Bank Line of Credit | Subsequent Event | Line of Credit | LIBOR            
Subsequent Event [Line Items]            
Debt instrument, basis spread on variable rate 3.50%          
Lumber River            
Subsequent Event [Line Items]            
Loans payable, net         $ 1,385,000 1,404,000
Debt instrument, periodic payment         $ 10,723  
Lumber River | LIBOR            
Subsequent Event [Line Items]            
Debt instrument, basis spread on variable rate         3.50%  
Lumber River | Subsequent Event            
Subsequent Event [Line Items]            
Loans payable, net $ 1,390,000          
Debt instrument, periodic payment $ 11,000          
Debt instrument, interest rate floor 4.25%          
Lumber River | Subsequent Event | LIBOR            
Subsequent Event [Line Items]            
Debt instrument, basis spread on variable rate 3.50%          
Columbia Fire Station            
Subsequent Event [Line Items]            
Loans payable, net         $ 3,957,000 $ 4,051,000
Debt instrument, periodic payment   $ 46,000     $ 45,580