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SHAREHOLDERS EQUITY - Common Stock (Details) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Jun. 14, 2020
Dec. 31, 2020
Nov. 03, 2020
Jun. 14, 2019
Class of Stock [Line Items]            
Common stock par value $ 0     $ 0    
Common Stock            
Class of Stock [Line Items]            
Common stock par value $ 0          
Number of votes per each share one          
Effective term of program     1 year      
Issuance of common stock (in shares) 0 0        
Common Stock | 2019 Repurchase Plan            
Class of Stock [Line Items]            
Authorized share repurchase           300,000
Number of shares repurchased   22,679        
Shares repurchased average price per share   $ 16.50        
Common Stock | 2020 Repurchase Plan            
Class of Stock [Line Items]            
Common stock par value         $ 0  
Authorized share repurchase         400,000  
Number of shares repurchased 0