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EQUITY (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
EQUITY        
Amount authorized under the Repurchase Plan $ 25,000      
Remaining amount available for repurchase $ 26,600      
Repurchase plan expiration period 1 year      
Number of shares in remaining available for repurchase   6,300,000    
Common stock repurchased   $ 18,669 $ 4,749 $ 22,793
Central Bank        
EQUITY        
Retained earnings   114,000    
Common Stock        
EQUITY        
Common stock repurchased   $ 18,669 $ 4,749 $ 22,793
Common Stock | Existing Share Repurchase Plan        
EQUITY        
Number of shares repurchased or acquired through tender offer   696,894    
Value of shares repurchased or acquired through tender offer   $ 18,700    
Common shares outstanding        
EQUITY        
Number of shares repurchased or acquired through tender offer   696,894 206,802 797,003