XML 117 R103.htm IDEA: XBRL DOCUMENT v3.20.4
Shareholders' Equity (Narrative) (Details) - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Nov. 30, 2020
Shareholders Equity [Line Items]        
Capital shares authorized 50,210,000      
Common stock, shares authorized 50,000,000 50,000,000    
Common stock, par value $ 0.01 $ 0.01    
Preferred stock, shares authorized 210,000      
Preferred stock, par value $ 100      
Preferred stock, shares issued 173,282 173,282    
Preferred stock, shares outstanding 173,282 173,282    
Shares of common stock authorized to be repurchased       801,879
Number of shares repurchased 0      
Preferred Class A [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares authorized 10,000      
Preferred Class B [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares authorized 200,000      
Series A 3% Preferred Stock [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares authorized 1,533 1,533    
Preferred stock, par value $ 100 $ 100    
Preferred stock, shares issued 1,435 1,435    
Preferred stock, shares outstanding 1,435 1,435    
Preferred stock, dividend percentage 3.00% 3.00% 3.00%  
Preferred stock, dividend per share $ 3.00      
Series B-1 8.48% Preferred Stock [Member]        
Shareholders Equity [Line Items]        
Preferred stock, shares authorized 200,000 200,000    
Preferred stock, par value $ 100 $ 100    
Preferred stock, shares issued 171,847 171,847    
Preferred stock, shares outstanding 171,847 171,847    
Preferred stock, dividend percentage 8.48% 8.48% 8.48%  
Preferred stock, dividend per share $ 8.48