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TRADE AND OTHER RECEIVABLES - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
client
TRADE AND OTHER RECEIVABLES  
Number of clients having balances in different sections of stratification 283,500
Chile  
TRADE AND OTHER RECEIVABLES  
Number of clients having balances in different sections of stratification 66,100
Brazil  
TRADE AND OTHER RECEIVABLES  
Number of clients having balances in different sections of stratification 89,900
Argentina  
TRADE AND OTHER RECEIVABLES  
Number of clients having balances in different sections of stratification 69,600
Paraguay  
TRADE AND OTHER RECEIVABLES  
Number of clients having balances in different sections of stratification 58,000