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CAPITAL STOCK - Share Repurchase Progam (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 71 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2021
Feb. 08, 2018
Jul. 29, 2015
Share Repurchase Program [Line Items]          
Stock Repurchased and Retired During Period, Shares 20,000        
Stock Repurchased and Retired During Period, Value $ (68)        
Share Repurchase Program [Member]          
Share Repurchase Program [Line Items]          
Stock Repurchased and Retired During Period, Shares   19,891      
Stock Repurchased and Retired During Period, Value   $ 100      
Weighted Average Share Repurchase Price   $ 3.42      
Share Repurchase Program [Member] | Common Stock [Member]          
Share Repurchase Program [Line Items]          
Stock Repurchased and Retired During Period, Shares     5,685,511    
Stock Repurchased and Retired During Period, Value     $ 40,400    
Weighted Average Share Repurchase Price     $ 7.10    
Share Repurchase Program [Member] | Maximum [Member] | Common Stock [Member]          
Share Repurchase Program [Line Items]          
Share Repurchase       5,306,579  
Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased     837,311    
Initial Repurchase Program [Member] | Maximum [Member] | Common Stock [Member]          
Share Repurchase Program [Line Items]          
Share Repurchase       2,000,000 2,000,000
Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased       783,757  
Program Increase [Member] | Maximum [Member] | Common Stock [Member]          
Share Repurchase Program [Line Items]          
Share Repurchase       4,522,822