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SHARE-BASED COMPENSATION - Stock Options (Detail) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
No. of Options    
Shares under option, beginning of year (in shares) 19 52
Exercised stock options (in shares) 0  
Cancelled stock options (in shares) (12)  
Expired of stock options (in shares) (21)  
Shares under option, end of year (in shares) 19 52
Exercisable at end of year (in shares) 19  
Weighted Average Exercise Price    
Shares under option, beginning of year (in USD per share) $ 36.90 $ 32.56
Exercised (in USD per share) 0  
Cancelled (in USD per share) 31.82  
Expired (in USD per share) 29.16  
Shares under option, end of year (in USD per share) 36.90 $ 32.56
Exercisable at end of year (in USD per share) $ 36.90