v3.21.2
Long Term Debt - Narrative (Details) - USD ($)
1 Months Ended
Oct. 31, 2018
Mar. 31, 2021
Apr. 05, 2019
Unsecured Debt      
Debt Instrument [Line Items]      
Debt instrument, face amount   $ 2,500,000  
Revolving credit loan, stated percentage   4.50%  
Real Estate Note      
Debt Instrument [Line Items]      
Debt instrument, face amount $ 8,500,000    
Real Estate Note | LIBOR      
Debt Instrument [Line Items]      
Accrued interest variable rate 2.39%    
Line of Credit      
Debt Instrument [Line Items]      
Line of credit, borrowing capacity     $ 15,000,000