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STOCK BASED COMPENSATION PLANS - Exercise Prices (Details) - $ / shares
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options 47,393 0
Weighted Average Exercise Price $ 36.19 $ 0.00
$36.19    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options 47,393  
Weighted Average Exercise Price $ 36.19