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Financial Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finance Income [Line Items]
Finance income	$ 2,411	$ 9,675	$ 9,685
Sociedad Minera Cerro Verde S.A.A. [Member]
Finance Income [Line Items]
Finance income	$ 2,350	$ 10,356	$ 28,089

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of income associated with interest and other financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 85
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-URIDate 2020-01-01

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