XML 153 R125.htm IDEA: XBRL DOCUMENT v3.20.4
STOCKHOLDERS' EQUITY - Preferred Stock Outstanding (Details) - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]    
Number of shares issued (in shares) 2,000,000 1,600,000
Redemption period 90 days  
Redemption price per share (in dollars per share) $ 1,000  
Series A Preferred Stock    
Class of Stock [Line Items]    
Number of shares issued (in shares) 250,000 250,000
Preferred stock, dividend rate 5.50%  
Series B Preferred Stock    
Class of Stock [Line Items]    
Number of shares issued (in shares) 300,000 300,000
Preferred stock, dividend rate 6.00%  
Series C Preferred Stock    
Class of Stock [Line Items]    
Number of shares issued (in shares) 300,000 300,000
Preferred stock, dividend rate 6.375%  
Series D Preferred Stock    
Class of Stock [Line Items]    
Number of shares issued (in shares) 300,000 300,000
Preferred stock, dividend rate 6.35%  
Depositary shares issued (in shares) 12,000,000  
Depository share interest percentage 2.50%  
Series E Preferred Stock    
Class of Stock [Line Items]    
Number of shares issued (in shares) 450,000 450,000
Preferred stock, dividend rate 500.00%  
Depositary shares issued (in shares) 18,000,000  
Depository share interest percentage 2.50%  
Series F Preferred Stock    
Class of Stock [Line Items]    
Number of shares issued (in shares) 400,000 0
Preferred stock, dividend rate 5.65%  
LIBOR | Series A Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, dividend payment rate 3.96%  
LIBOR | Series B Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, dividend payment rate 3.003%  
LIBOR | Series C Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, dividend payment rate 3.157%  
LIBOR | Series D Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, dividend payment rate 3.642%  
US Treasury (UST) Interest Rate | Series F Preferred Stock    
Class of Stock [Line Items]    
Preferred stock, dividend payment rate 5.313%