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TOTAL EQUITY - Share Repurchase (Details) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Repurchases of common stock    
Reduction of equity for retirement of repurchased shares $ 26,737 $ 24,159
Share repurchase program 2020 | Common shares    
Repurchases of common stock    
Share repurchase program, period for repurchases 12 months  
Repurchased and retired shares 0.2  
Weighted average market price of shares repurchased and retired (in dollars per share) $ 63.58  
Reduction of equity for retirement of repurchased shares $ 10,200  
Authorized share repurchase capacity remaining 39,800  
Share repurchase program 2020 | Common shares | Maximum    
Repurchases of common stock    
Repurchase authorization $ 50,000