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