Annual report pursuant to Section 13 and 15(d)

EARNINGS PER SHARE EARNINGS (LOSS) PER COMMON SHARE - Narrative (Details)

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EARNINGS PER SHARE EARNINGS (LOSS) PER COMMON SHARE - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2017
Aug. 14, 2014
Equity, Class of Treasury Stock [Line Items]      
Purchase of treasury shares $ 7,707 $ 52  
Board Approved Plan      
Equity, Class of Treasury Stock [Line Items]      
Treasury shares authorized to repurchase     $ 25,000
Treasury stock acquired (in shares) 988,721    
Purchase of treasury shares $ 7,600    
Treasury stock acquired (in dollars per share) $ 7.72    
Remaining treasury shares authorized $ 15,300