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EARNINGS PER SHARE (''EPS'') (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 04, 2018
Earnings per share        
Weighted average shares outstanding (in shares) 43,792,000 69,062,000 91,328,000  
Increase in weighted average shares outstanding to reflect the dilutive effect of share options (in shares) 0 8,000 0  
Series L Preferred Stock        
Earnings per share        
Shares outstanding (in shares)     0 8,080,740