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Derivative Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2020
Statement [LineItems]  
Summary of Notional Amounts and Fair Values of Derivative Financial Instruments
Derivative assets
     12/31/2020   12/31/2019 
  Underlying
Notional Value
  Notional
Value
   Fair
Value
   Notional
Value
   Fair
Value
 
Transactions of foreign currency contract without delivery of underlying asset
  US Dollars   1,580    7,232    73,920    69,003 
Put options –US Dollars (see note 21)
  Shares   8,910,878    687,572    8,910,878       538,643 
Put options – Pesos (see note 21)
  Shares   8,910,878    294,674    8,910,878    230,847 
      
 
 
     
 
 
 
Total derivatives held for trading
       989,478      838,493 
      
 
 
     
 
 
 
 
Derivative liabilities
     12/31/2020   12/31/2019 
  Underlying
Notional Value
  Notional
Value
   Fair
Value
   Notional
Value
   Fair
Value
 
Transactions of foreign currency contract without delivery of underlying asset
  US Dollars          1,755           230         73,920    1,046,556 
      
 
 
     
 
 
 
Total derivatives held for trading
       230      1,046,556