Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Narrative) (Details)

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SUBSEQUENT EVENTS (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jul. 27, 2023
Jul. 24, 2023
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Subsequent Event [Line Items]                
Dividends on common stock (in dollars per share)     $ 0.30 $ 0.30 $ 0.28 $ 0.28 $ 0.60 $ 0.56
Dividends on preferred stock (in dollars per share)     $ 171.88 $ 171.88 $ 171.88 $ 171.88    
Stock repurchase program, number of shares repurchased         649,000     1,300,000
Stock repurchase program, shares repurchased amount         $ 23.2     $ 48.2
Subsequent Event | American National                
Subsequent Event [Line Items]                
Common stock conversion ratio   1.35            
Common Stock, Class A | Subsequent Event                
Subsequent Event [Line Items]                
Dividends on common stock (in dollars per share) $ 0.30              
Dividends payable, date declared Jul. 27, 2023              
Dividends payable, date to be paid Aug. 25, 2023              
Dividends payable, date of record Aug. 11, 2023              
Depositary Shares | Subsequent Event                
Subsequent Event [Line Items]                
Dividends on preferred stock (in dollars per share) $ 0.43              
Series A Preferred Stock | Subsequent Event                
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              
Dividends on preferred stock (in dollars per share) $ 171.88              
Dividends payable, date to be paid Sep. 01, 2023              
Dividends payable, date of record Aug. 17, 2023