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Derivative Financial Instruments (Details 1) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Prepaid expenses and other [Member]    
Fair value of the derivative instruments    
Fair value of derivative asset $ 3,925,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember		 $ 184,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
Accrued liabilities and other [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value 1,887,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember		 1,640,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember
Current portion of royalty obligation [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value 14,405,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_RoyaltyObligationCurrentMember		 17,650,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_RoyaltyObligationCurrentMember
Non-current portion of royalty obligation [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value 7,507,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_RoyaltyObligationNonCurrentMember		 22,688,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_RoyaltyObligationNonCurrentMember
Forward foreign exchange contracts [Member] | Prepaid expenses and other [Member]    
Fair value of the derivative instruments    
Fair value of derivative asset   38,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember
Forward foreign exchange contracts [Member] | Accrued liabilities and other [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value   947,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember
Palmarejo gold production royalty [Member] | Current portion of royalty obligation [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value 14,405,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_RoyaltyObligationCurrentMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember		 17,650,000us-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 7,507,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_RoyaltyObligationNonCurrentMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember		 22,688,000us-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 3,882,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember		  
Derivative Liability, Fair Value 1,039,000us-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 3,882,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember		 135,000us-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 1,039,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember		  
Put and call options, net [Member] | Current portion of royalty obligation [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value     
Put and call options, net [Member] | Non-current portion of royalty obligation [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value     
Concentrate sales contracts [Member] | Prepaid expenses and other [Member]    
Fair value of the derivative instruments    
Fair value of derivative asset 43,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_SilverAndGoldConcentrateSalesAgreementsMember		 11,000us-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 848,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_SilverAndGoldConcentrateSalesAgreementsMember		 693,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cde_AccruedLiabilitiesAndOtherCurrentLiabilitiesMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_SilverAndGoldConcentrateSalesAgreementsMember
Concentrate sales contracts [Member] | Current portion of royalty obligation [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value     
Concentrate sales contracts [Member] | Non-current portion of royalty obligation [Member]    
Fair value of the derivative instruments    
Derivative Liability, Fair Value     
Mexican peso forward purchase contracts [Member] | Forward foreign exchange contracts [Member]    
Derivative [Line Items]    
Foreign exchange contracts of MXP   $ 12,000,000cde_ForeignExchangeContractsOfMxp
/ us-gaap_DerivativeByNatureAxis
= cde_MexicanPesoForwardPurchaseContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember