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CAPITAL STOCK - Summary of Stock Options Activities (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Shares Under Option      
Outstanding, beginning of year, Shares (in shares) 2,078,000 3,012,000 3,537,000
Exercised, Shares (in shares) (12,183) (98,646) 0
Forfeited, Shares (in shares) 0 (2,000) 0
Expired, Shares (in shares) (601,000) (833,000) (525,000)
Outstanding, end of year, Shares (in shares) 1,465,000 2,078,000 3,012,000
Expected to vest, Shares (in shares) 0 0 0
Exercisable, end of year, Shares (in shares) 1,465,000 2,078,000 3,012,000
Weighted Average Exercise Price      
Outstanding, beginning of year, weighted average exercise price (in USD per share) $ 57.71 $ 63.79 $ 72.10
Exercised, weighted average exercise price (in USD per share) 42.38 42.09 0
Forfeited, weighted average exercise price (in USD per share) 0 49.10 0
Expired, weighted average exercise price (in USD per share) 80.53 81.56 119.83
Outstanding, end of year, weighted average exercise price (in USD per share) 48.48 57.71 63.79
Expected to vest, weighted average exercise price (in USD per share) 0 0 0
Exercisable, end of year, weighted average exercise price (in USD per share) $ 48.48 $ 57.71 $ 63.79
Weighted average remaining contractual life for options outstanding 3 years 1 month 6 days    
Weighted average remaining contractual life for exercisable 3 years 1 month 6 days    
Aggregate intrinsic value for options outstanding exercisable $ 33    
Aggregate intrinsic value for options outstanding $ 33