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STOCKHOLDERS' EQUITY (Common and Preferred Stock) (Details)
 12 Months Ended
Dec. 31, 2019
vote
$ / shares
shares
Dec. 31, 2018
$ / shares
shares
Dec. 31, 2011
$ / shares
shares
Private Placement      
Common Stock [Abstract]      
Common stock shares issued (in shares)     20,000,000
Price of shares (in dollars per share) | $ / shares     $ 10
Sale of stock, nature of consideration received per transaction The Company ceased raising capital under this private placement offering effective December 31, 2011.    
Preferred Stock      
Preferred Stock [Abstract]      
Preferred shares authorized (in shares) 1,000,000    
Common Class A      
Common Stock [Abstract]      
Common stock, shares authorized (in shares) 100,000,000 100,000,000  
Par value (in dollars per share) | $ / shares $ 0.01 $ 0.01  
Common stock shares issued (in shares) 17,763,683 17,721,422  
Number of votes holder is entitled to | vote 1    
Maximum individual common stock ownership (in hundredths) 9.80%    
Common Class C      
Common Stock [Abstract]      
Common stock, shares authorized (in shares) 9,000,000    
Common stock shares issued (in shares) 0    
Common Class B      
Common Stock [Abstract]      
Common stock, shares authorized (in shares) 1,000    
Par value (in dollars per share) | $ / shares $ 0.01    
Common stock shares issued (in shares) 0