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Equity - Schedule of Stock by Class (Details) - USD ($)
1 Months Ended 12 Months Ended
Aug. 20, 2020
May 20, 2020
May 13, 2019
Jun. 20, 2014
May 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Series C              
Class of Stock [Line Items]              
Issuance Cost       $ 1,618,583      
Shares Issued (in shares)       3,000,000   3,000,000 3,000,000
Annual Dividend Rate       6.00%      
Liquidation Value (in dollars per share)       $ 25.00      
Series C | July 17, 2024, thereafter              
Class of Stock [Line Items]              
Dividend variable rate           3.26%  
Series D              
Class of Stock [Line Items]              
Issuance Cost     $ 3,340,456        
Shares Issued (in shares)     4,000,000     4,000,000 4,000,000
Annual Dividend Rate     5.70%        
Liquidation Value (in dollars per share)     $ 25.00        
Series E              
Class of Stock [Line Items]              
Issuance Cost   $ 2,496,750     $ 2,500,000    
Shares Issued (in shares)   3,180,000     3,180,000 3,180,000 3,180,000
Annual Dividend Rate   5.75%     5.75%    
Liquidation Value (in dollars per share)   $ 25.00     $ 25.00    
Series F              
Class of Stock [Line Items]              
Issuance Cost $ 3,800,000         $ 3,839,902  
Shares Issued (in shares) 4,800,000         4,800,000 4,800,000
Annual Dividend Rate 5.25%            
Liquidation Value (in dollars per share) $ 25.00