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SHAREHOLDERS' EQUITY - Additional Information (Details)
 12 Months Ended
Feb. 18, 2020
$ / shares
Dec. 31, 2019
USD ($)
board_member
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
$ / shares
Dec. 31, 1995
shares
Class Of Stock [Line Items]          
Preferred Stock, shares authorized ( in shares)   5,000,000 5,000,000    
Preferred Stock, par value (in dollars per share) | $ / shares   $ 0.01 $ 0.01    
Number of board members elected by class A shareholders | board_member   2      
Common Stock, shares authorized (in shares)   200,000,000 200,000,000    
Common Stock, par value (in dollars per share) | $ / shares   $ 0.01 $ 0.01    
Common Stock, shares issued (in shares)   48,852,193 48,681,524    
Common Stock, shares outstanding (in shares)   47,486,545 47,319,887    
Treasury stock repurchased shares   4,011 3,774    
Treasury stock aggregate purchase price value | $   $ 649,000 $ 477,000    
Common stock dividends declared per share | $ / shares   $ 0.40 $ 0.24 $ 0.12  
Common stock dividends paid per share | $ / shares   $ 0.40      
Common stock dividends paid | $   $ 18,900,000      
Subsequent Event [Member]          
Class Of Stock [Line Items]          
Common stock dividends declared per share | $ / shares $ 0.15        
Dividend declared date Feb. 18, 2020        
Dividend payable date Mar. 31, 2020        
Dividend record date Mar. 17, 2020        
Series A Nonconvertible Preferred Stock [Member]          
Class Of Stock [Line Items]          
Preferred Stock, shares issued (in shares)   200,000 200,000   200,000
Preferred Stock, liquidation value per share (in dollars per share) | $ / shares   $ 7.50 $ 7.50    
Preferred stock voting rights   Holders of the Series A shares are entitled to one vote per share on matters which shareholders are generally entitled to vote.      
Preferred Stock, shares outstanding (in shares)   200,000 200,000