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Derivative Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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Prepaid expenses and other [Member] |  |
Fair value of the derivative instruments |  |
Fair value of derivative asset | $ 2,607 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember | $ 3,925 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
Accrued liabilities and other [Member] |  |
Fair value of the derivative instruments |  |
Derivative Liability, Fair Value | 960 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember | 1,887 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember
Current portion of royalty obligation [Member] |  |
Fair value of the derivative instruments |  |
Derivative Liability, Fair Value | 14,541 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationCurrentMember | 14,405 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationCurrentMember
Non-current portion of royalty obligation [Member] |  |
Fair value of the derivative instruments |  |
Derivative Liability, Fair Value | 4,709 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationNonCurrentMember | 7,507 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationNonCurrentMember
Palmarejo gold production royalty [Member] | Current portion of royalty obligation [Member] |  |
Fair value of the derivative instruments |  |
Derivative Liability, Fair Value | 14,541 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationCurrentMember / us-gaap_DerivativeInstrumentRiskAxis = cde_PalmarejoGoldProductionRoyaltyMember | 14,405 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationCurrentMember / us-gaap_DerivativeInstrumentRiskAxis = cde_PalmarejoGoldProductionRoyaltyMember
Palmarejo gold production royalty [Member] | Non-current portion of royalty obligation [Member] |  |
Fair value of the derivative instruments |  |
Derivative Liability, Fair Value | 4,709 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationNonCurrentMember / us-gaap_DerivativeInstrumentRiskAxis = cde_PalmarejoGoldProductionRoyaltyMember | 7,507 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_RoyaltyObligationNonCurrentMember / us-gaap_DerivativeInstrumentRiskAxis = cde_PalmarejoGoldProductionRoyaltyMember
Put and call options, net [Member] |  |
Fair value of the derivative instruments |  |
Fair value of derivative asset | 2,066 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeInstrumentRiskAxis = cde_GoldPutPurchaseAndCallSoldOptionsNetMember |
Derivative Liability, Fair Value | 529 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_DerivativeInstrumentRiskAxis = cde_GoldPutPurchaseAndCallSoldOptionsNetMember | 1,039 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_DerivativeInstrumentRiskAxis = cde_GoldPutPurchaseAndCallSoldOptionsNetMember
Put and call options, net [Member] | Prepaid expenses and other [Member] |  |
Fair value of the derivative instruments |  |
Fair value of derivative asset |  | 3,882 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember / us-gaap_DerivativeInstrumentRiskAxis = cde_GoldPutPurchaseAndCallSoldOptionsNetMember
Put and call options, net [Member] | Accrued liabilities and other [Member] |  |
Fair value of the derivative instruments |  |
Derivative Liability, Fair Value | 529 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = cde_GoldPutPurchaseAndCallSoldOptionsNetMember | 1,039 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = cde_GoldPutPurchaseAndCallSoldOptionsNetMember
Concentrate sales contracts [Member] | Prepaid expenses and other [Member] |  |
Fair value of the derivative instruments |  |
Fair value of derivative asset | 541 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember / us-gaap_DerivativeInstrumentRiskAxis = cde_SilverAndGoldConcentrateSalesAgreementsMember | 43 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember / us-gaap_DerivativeInstrumentRiskAxis = cde_SilverAndGoldConcentrateSalesAgreementsMember
Concentrate sales contracts [Member] | Accrued liabilities and other [Member] |  |
Fair value of the derivative instruments |  |
Derivative Liability, Fair Value | $ 431 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = cde_SilverAndGoldConcentrateSalesAgreementsMember | $ 848 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = cde_SilverAndGoldConcentrateSalesAgreementsMember

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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=51814546&loc=SL51823488-111719 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=51814546&loc=SL51823488-111719 + Details
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