XML 207 R182.htm IDEA: XBRL DOCUMENT v3.21.1
Financial obligations (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Oct. 29, 2019
Dec. 31, 2018
Oct. 29, 2018
Dec. 31, 2016
Jun. 27, 2016
Jun. 30, 2014
Disclosure of Financial obligations [Line Items]                
Financial liabilities $ 531,653,000 $ 571,688,000   $ 587,062,000   $ 633,083,000    
Classification by maturity:                
Current portion 25,086,000 265,692,000            
Non-current portion (e) 506,567,000 305,996,000            
Lease liabilities 7,839,000 7,503,000            
Financial Liabilities 531,653,000 571,688,000   $ 587,062,000   $ 633,083,000    
Sociedad Minera El Brocal S.A.A                
Disclosure of Financial obligations [Line Items]                
Notional amount 139,709,000 161,185,000            
Compaa de Minas Buenaventura S.A.A. [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount 275,000,000 275,000,000         $ 275,000,000  
Debt issuance costs 2,715,000 2,504,000            
Borrowings 272,285,000 272,496,000            
Classification by maturity:                
Lease liabilities 111,820,000 130,504,000            
BBVA Banco Continental S.A. [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount 61,667,000 61,667,000            
BBVA Banco Continental S.A. [Member] | Contacto Corredores de Seguros S.A. [Member]                
Classification by maturity:                
Lease liabilities 7,839,000 7,503,000            
CorpBanca New York Branch [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount 61,666,000 61,666,000            
Banco Internacional del Peru [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount 30,000,000 30,000,000            
ICBC Peru Bank [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount 40,000,000 25,000,000            
Banco Latinoamericano de Comercio Exterior S.A. [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount   20,000,000            
Banco de Sabadell, Miami Branch [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount 15,000,000 15,000,000            
Banco De Credito Del Peru - New Financial Obligation [Member]                
Disclosure of Financial obligations [Line Items]                
Notional amount     $ 161,893,850          
Banco De Credito Del Peru - New Financial Obligation [Member] | Sociedad Minera El Brocal S.A.A                
Disclosure of Financial obligations [Line Items]                
Notional amount 140,309,000 161,894,000            
Debt issuance costs 600,000 709,000            
Banco de Credito del Peru [member]                
Disclosure of Financial obligations [Line Items]                
Notional amount 66,667,000 61,667,000     $ 119,000,000     $ 103,373,000
Banco de Credito del Peru [member] | Sociedad Minera El Brocal S.A.A                
Disclosure of Financial obligations [Line Items]                
Debt issuance costs 1,276,000              
Classification by maturity:                
Finance Lease Liabilities IAS17 $ 113,096,000 $ 130,504,000