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Summary of Significant Accounting Policies (Details 1) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
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Accounting Policies [Abstract] |  |
Reported ore on the leach pads, total assets | $ 82,000,000 | $ 44,300,000
Reported ore on the leach pads, current assets | 50,495,000 | 22,991,000
Reported ore on the leach pads, non-current assets | 31,528,000 | 21,356,000
Drilling and Related Costs | $ 11,600,000 | $ 13,900,000

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- Definition Drilling and related costs. + References No definition available. + Details
Name: | cde_DrillingAndRelatedCosts
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Ore on leach pad current. + References No definition available. + Details
Name: | cde_OreOnLeachPadCurrent
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Ore on leach pad non current. + References No definition available. + Details
Name: | cde_OreOnLeachPadNonCurrent
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Reported ore on leach pads assets. + References No definition available. + Details
Name: | cde_ReportedOreOnLeachPadsAssets
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration