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Financial Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finance Income [Line Items]
Finance income	$ 9,675	$ 9,685	$ 5,517
Sociedad Minera Cerro Verde S.A.A. [Member]
Finance Income [Line Items]
Finance income	10,356	28,089	5,350
Sociedad Minera Cerro Verde S.A.A. [Member] | Special Mining Burden [Member]
Finance Income [Line Items]
Finance income	0	18,574	0
Sociedad Minera Cerro Verde S.A.A. [Member] | Other financial income [Member]
Finance Income [Line Items]
Finance income	$ 10,356	$ 9,515	$ 5,350

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- Definition

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+ References

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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 2019-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_85&doctype=Standard
-URIDate 2019-03-27

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