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Basis for preparation, consolidation and accounting policies - Impact of Adoption of IFRS 16 on Impact on consolidated statement of cash flows (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of basis for preparation, consolidation and accounting policies [Line Items]      
Interest paid $ (14,504) $ (21,653) $ (28,266)
Net cash and cash equivalents provided by (used in) operating activities (197,510) 142,434 69,076
Payments of lease liabilities (5,205) (4,080) (7,596)
Net cash and cash equivalents provided by (used in) financing activities 425,347 (54,807) (122,629)
Minera Yanacocha SRL and subsidiary [Member]      
Disclosure of basis for preparation, consolidation and accounting policies [Line Items]      
Net cash and cash equivalents provided by (used in) operating activities 13,163 195,855 272,396
Payments of lease liabilities (215) (265) (296)
Net cash and cash equivalents provided by (used in) financing activities $ (215) $ (265) $ (296)