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SHARE CAPITAL AND SHARE BASED COMPENSATION - Share Capital (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
SHARE CAPITAL AND SHARE OPTIONS [Abstract]      
Common stock, shares authorized (in shares) 150,000,000 150,000,000  
Common shares, par value (in dollars per share) $ 1.00 $ 1.00  
Common stock, value, authorized $ 150,000 $ 150,000  
Common shares, shares outstanding (in shares) 104,578,080 107,225,832 108,222,604
Common stock, value, issued $ 104,578 $ 107,226  
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Common shares, shares outstanding beginning (in shares) 107,225,832 108,222,604  
Common shares, shares issued beginning (in shares) 107,225,832 108,222,604  
Repurchase and cancellation of treasury shares (in shares) (2,897,034) (1,189,653)  
Vesting of share options (in shares) 249,282 186,881  
Exercise of share options (in shares) 0 6,000  
Common shares, shares outstanding end (in shares) 104,578,080 107,225,832 108,222,604
Common shares, shares issued ending (in shares) 104,578,080 107,225,832 108,222,604
Treasury shares repurchased (in shares) 2,900,000 1,200,000  
Repurchase and cancellation of treasury shares $ 61,684 $ 25,477 $ 24,484
Payments for commissions 100 40  
Contributed surplus $ 200,000 $ 200,000