Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.20.1
Subsequent Events (Details)
1 Months Ended 3 Months Ended
May 04, 2020
USD ($)
Jan. 23, 2020
USD ($)
Jan. 21, 2020
USD ($)
Dec. 21, 2019
USD ($)
Apr. 30, 2020
USD ($)
loan
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Subsequent Event [Line Items]              
Loans payable, net           $ 336,277,000 $ 340,913,000
KeyBank | Subsequent Event              
Subsequent Event [Line Items]              
Debt instrument, interest rate. stated percentage         1.00%    
Unsecured debt         $ 552,000    
Line of Credit | KeyBank              
Subsequent Event [Line Items]              
Loans payable, net           9,300,000 17,879,000
Debt instrument, periodic payment   $ 5,750,000 $ 1,780,000 $ 350,000   350,000  
Columbia Fire Station              
Subsequent Event [Line Items]              
Loans payable, net           4,015,000 4,051,000
Debt instrument, periodic payment           $ 25,452  
Debt instrument, interest rate. stated percentage           4.00%  
Columbia Fire Station | Subsequent Event              
Subsequent Event [Line Items]              
Loans payable, net $ 4,020,000            
Debt instrument, periodic payment $ 26,000            
Debt instrument, interest rate. stated percentage 4.00%            
Litchfield Market Village              
Subsequent Event [Line Items]              
Loans payable, net           $ 7,418,000 7,452,000
Debt instrument, periodic payment           $ 46,057  
Debt instrument, interest rate. stated percentage           5.50%  
Shoppes at TJ Maxx              
Subsequent Event [Line Items]              
Loans payable, net           $ 5,294,000 $ 5,344,000
Debt instrument, periodic payment           $ 33,880  
Debt instrument, interest rate. stated percentage           3.88%  
Shoppes at TJ Maxx | Subsequent Event              
Subsequent Event [Line Items]              
Loans payable, net $ 5,290,000            
COVID-19 | Subsequent Event              
Subsequent Event [Line Items]              
Number of deferred loans | loan         8    
Forbearance of principal and interest payments, value         $ 928,000