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Board of Directors, Senior Management and Key management personnel (Tables)
 12 Months Ended
Dec. 31, 2020
Disclosure of information about Board of Directors Senior Management and Key management personnel [Abstract]  
Disclosure of information about key management personnel [text block]
As of December 31, 2020 and 2019, the number of the key management personnel is 126 and 124, respectively.
 
Key management personnel compensation
 
For the year ended
December 31,
2020
  
For the year ended
December 31,
2019
  
For the year ended
December 31,
2018
 
 
 
ThUS$
 
 
ThUS$
 
 
ThUS$
 
Key management personnel compensation  22,858   22,598   27,907