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FINANCIAL INSTRUMENTS - Hedge Accounting (Details)
 12 Months Ended
Dec. 31, 2019
USD ($)
$ / $
Dec. 31, 2019
ARS ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Disclosure of detailed information about hedging instruments [line items]        
Gains and losses on cash flow hedges $ 352,000   $ 0 $ 0
Cash flow hedges        
Disclosure of detailed information about hedging instruments [line items]        
Fair value assets $ 71      
Settlement 1        
Disclosure of detailed information about hedging instruments [line items]        
Foreign currency rate from contracts 72.36   40.06  
Notional foreign currency rate $ 71.56   $ 39.67  
Settlement 1 | Cash flow hedges        
Disclosure of detailed information about hedging instruments [line items]        
Foreign currency rate from contracts | $ / $ 66.45      
Notional foreign currency rate   $ 62.2    
Fair value assets $ 71      
Reserve of cash flow hedges        
Disclosure of detailed information about hedging instruments [line items]        
(Gain)/loss reclassified to profit or loss – hedged item has affected profit or loss 54,000      
Future contract        
Disclosure of detailed information about hedging instruments [line items]        
Fair value of contracts 0   $ 0 $ 0
Future contract | Cash flow hedges        
Disclosure of detailed information about hedging instruments [line items]        
Fair value of contracts $ 0