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Income and Mining Taxes (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Taxes (Textual) [Abstract] |  |  |
Unrecognized tax benefit that would impact effective tax rate | 16.1 | 14.3 | 10.3
Penalties and interest expense | $ 2.9 us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense | $ 4.1 us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense | $ 2.5 us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense
Cumulative Amount of Temporary Differences Related to Investments in Foreign Subsidiaries |  | $ 81 cde_CumulativeAmountOfTemporaryDifferencesRelatedToInvestmentsInForeignSubsidiaries |

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- Definition Cumulative amount of temporary differences related to investments in foreign subsidiaries. + References No definition available. + Details
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- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition Other information relative to a tax position which it is reasonably possible that the total amount of the unrecognized tax benefit will significantly increase or decrease within twelve months of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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