Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS (Narrative) (Details)

v3.20.4
SUBSEQUENT EVENTS (Narrative) (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Feb. 25, 2021
USD ($)
Feb. 15, 2021
item
Jan. 28, 2021
$ / shares
Jun. 09, 2020
Dec. 31, 2020
USD ($)
$ / shares
Dec. 31, 2019
USD ($)
$ / shares
Dec. 31, 2018
USD ($)
$ / shares
Subsequent Event [Line Items]              
Dividends on common stock (in dollars per share)         $ 1.00 $ 0.96 $ 0.88
Dividends on preferred stock (in dollars per share)         $ 328.48    
Long-term debt, early repayments | $         $ 619,616 $ 220,614 $ 40,000
Subsequent Event              
Subsequent Event [Line Items]              
Number of consolidated branch locations | item   5          
Long-term debt, early repayments | $ $ 200,000            
Long-term debt, prepayment penalties | $ $ 14,700            
Common Stock, Class A | Subsequent Event              
Subsequent Event [Line Items]              
Dividends on common stock (in dollars per share)     $ 0.25        
Dividends payable, date declared     Jan. 28, 2021        
Dividends payable, date to be paid     Feb. 26, 2021        
Dividends payable, date of record     Feb. 12, 2021        
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, 2021        
Dividends payable, date of record     Feb. 12, 2021