Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS (Narrative) (Details)

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SUBSEQUENT EVENTS (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
 2 Months Ended 5 Months Ended 8 Months Ended 12 Months Ended
Jan. 28, 2022
Jun. 09, 2020
Feb. 23, 2022
Sep. 30, 2021
Mar. 20, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Subsequent Event [Line Items]                
Dividends on common stock (in dollars per share)           $ 1.09 $ 1.00 $ 0.96
Dividends on preferred stock (in dollars per share)           $ 687.52 $ 328.48  
Stock repurchase program, remaining authorized repurchase amount         $ 20.0      
Stock repurchase program, number of shares repurchased       3,400,000 3,700,000 0    
Subsequent Event                
Subsequent Event [Line Items]                
Stock repurchase program, remaining authorized repurchase amount     $ 89.0          
Stock repurchase program, number of shares repurchased     276,000          
Stock repurchase program, shares repurchased amount     $ 11.0          
Common Stock, Class A | Subsequent Event                
Subsequent Event [Line Items]                
Dividends on common stock (in dollars per share) $ 0.28              
Dividends payable, date declared Jan. 28, 2022              
Dividends payable, date to be paid Feb. 25, 2022              
Dividends payable, date of record Feb. 11, 2022              
Depositary Shares | Subsequent Event                
Subsequent Event [Line Items]                
Dividends on preferred stock (in dollars per share) $ 0.43              
Series A Preferred Stock                
Subsequent Event [Line Items]                
Number of preferred stock represented by each depositary share   The Series A preferred stock is represented by depositary shares, each representing a 1/400th ownership interest in a share of Series A preferred stock            
Series A Preferred Stock | Subsequent Event                
Subsequent Event [Line Items]                
Dividends on preferred stock (in dollars per share) $ 171.88              
Dividends payable, date to be paid Mar. 01, 2022              
Dividends payable, date of record Feb. 14, 2022