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Fair value measurement - Hierarchy of assets and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of fair value measurement [line Items]
Fair value of account receivable (subject to provisional pricing)	$ 133,977	$ 126,553
Bank loans	50,000	65,793
Financial obligations	1,059,236	475,624
Contingent consideration liability	17,718	22,100	$ 16,410	$ 15,755
Hedge instruments	6,976	18,439
Sociedad Minera Cerro Verde S.A.A. [Member]
Disclosure of fair value measurement [line Items]
Derivative financial asset liabilities	12,793	101,434
Level 1 of fair value hierarchy [member]
Disclosure of fair value measurement [line Items]
Fair value of account receivable (subject to provisional pricing)	0	0
Bank loans	0	0
Financial obligations	0	0
Contingent consideration liability	0	0
Hedge instruments	0	0
Level 2 of fair value hierarchy [member]
Disclosure of fair value measurement [line Items]
Fair value of account receivable (subject to provisional pricing)	133,977	126,553
Bank loans	50,000	65,793
Financial obligations	1,059,236	475,624
Hedge instruments	6,976	18,439
Level 3 of fair value hierarchy [member]
Disclosure of fair value measurement [line Items]
Fair value of account receivable (subject to provisional pricing)	0	0
Bank loans	0	0
Financial obligations	0	0
Contingent consideration liability	17,718	22,100
Hedge instruments	$ 0	$ 0

X

- Definition

The amount of fair value of bank loans of the company.

+ References

No definition available.

+ Details

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- Definition

The amount of derivative financial assets(liabilities)

+ References

No definition available.

+ Details

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- References

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- Definition

Amount of Fair Value of Accounts Receivables.

+ References

No definition available.

+ Details

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X

- Definition

The amount of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2021-01-01
-Paragraph B67
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_c&doctype=Appendix&subtype=B
-URIDate 2021-03-24

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- Definition

The fair value of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: At fair value [member]; Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets; Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 22
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_22_b&doctype=Standard&book=b
-URIDate 2021-03-24

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- Definition

The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]

+ References

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-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 25
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard
-URIDate 2021-03-24

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