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Board of Directors, Senior Management and Key management personnel (Tables)
12 Months Ended
Dec. 31, 2019
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, 2019, there are 124 people occupying key management positions and 123 as of December 31, 2018.
 
Key management personnel compensation
 
For the
year

ended
December

31, 2019
 
 
For the year

ended December

31, 2018
 
 
For the year

ended December

31, 2017
 
 
 
ThUS$
 
 
ThUS$
 
 
ThUS$
 
Key management personnel compensation
 
 
22,598
 
 
 
27,907
 
 
 
27,367