XML 33 R61.htm IDEA: XBRL DOCUMENT v2.4.1.9
Derivative Financial Instruments (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Jan. 21, 2009
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Gain (loss) on derivative instruments $ (4,884,000)us-gaap_GainLossOnDerivativeInstrumentsNetPretax $ (11,436,000)us-gaap_GainLossOnDerivativeInstrumentsNetPretax    
Fair Value Assumptions, Risk Free Interest Rate 7.555%us-gaap_FairValueAssumptionsRiskFreeInterestRate 11.80%us-gaap_FairValueAssumptionsRiskFreeInterestRate    
Price per ounce under agreement 412cde_Priceperounceunderagreement      
Put Option [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Contract expiration date 3 years      
Franco-Nevada warrant [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Fair value liability of the embedded derivative     21,900,000us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
/ us-gaap_DerivativeByNatureAxis
= cde_FrancoNevadaWarrantMember
 
Realized losses 4,200,000us-gaap_DerivativeLossOnDerivative
/ us-gaap_DerivativeByNatureAxis
= cde_FrancoNevadaWarrantMember
(6,200,000)us-gaap_DerivativeLossOnDerivative
/ us-gaap_DerivativeByNatureAxis
= cde_FrancoNevadaWarrantMember
   
Palmarejo gold production royalty [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Production to be sold, percent       50.00%cde_LifeOfMineProductionPercentage
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
Gain (loss) on derivative instruments (1,545,000)us-gaap_GainLossOnDerivativeInstrumentsNetPretax
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
(10,237,000)us-gaap_GainLossOnDerivativeInstrumentsNetPretax
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
   
Payment made for gold on the end of royalty obligation 4,167cde_MinimumObligationPaidInMonthlyPayments
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
     
Remaining ounces under royalty obligation 72,414cde_Remainingouncesunderroyaltyobligation
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
     
Percentage of Gold Production 50.00%cde_PercentageOfGoldProduction
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
     
Annual Inflation Compounding Adjustment 1.00%cde_AnnualInflationCompoundingAdjustment
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
     
Concentrate Sales Contracts [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Unrealized Gain (Loss) on Derivatives 914,000us-gaap_UnrealizedGainLossOnDerivatives
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_ConcentrateSalesContractsMember
879,000us-gaap_UnrealizedGainLossOnDerivatives
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_ConcentrateSalesContractsMember
   
Gold Put Purchase and Call Sold Options Net [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative Liability, Fair Value 529,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember
  1,039,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember
 
Fair value of the contract 2,066,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember
     
Commodity [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Mark-to-market gains and (losses) on forward foreign exchange contract 800,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityMember
(300,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityMember
   
Silver and gold options [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Gain (loss) on derivative instruments (1,046,000)us-gaap_GainLossOnDerivativeInstrumentsNetPretax
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityOptionMember
     
Unrealized Gain (Loss) on Derivatives 200,000us-gaap_UnrealizedGainLossOnDerivatives
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityOptionMember
(1,494,000)us-gaap_UnrealizedGainLossOnDerivatives
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CommodityOptionMember
   
Maximum [Member] | Palmarejo gold production royalty [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Payable ounces under royalty obligation 400,000cde_Payableouncesunderroyaltyobligation
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_PalmarejoGoldProductionRoyaltyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Derivative Instruments Settle in Year One [Member] | Gold Put Option [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Weighted Average Strike Price of Put Options     1,050cde_WeightedAverageStrikePriceofPutOptions
/ us-gaap_DerivativeByNatureAxis
= cde_GoldPutOptionMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
 
Derivative Instruments Settle in Year One [Member] | Silver concentrate sales agreements [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount (9,129,000)invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Outstanding provisionally priced sales consists of silver 547,611cde_OutstandingProvisionallyPricedSalesConsistsOfSilver
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Average Price 16.67cde_DerivativeAveragePrice
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Instruments Settle in Year One [Member] | Gold concentrates sales agreements [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount (40,495,000)invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Outstanding provisionally priced sales consists of Gold 33,084cde_OutstandingProvisionallyPricedSalesConsistsOfGold
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Average Price 1,224cde_DerivativeAveragePrice
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Instruments Settle in Year One [Member] | Silver put options purchased [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount (45,900,000)invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Notional ounces 2,700,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Instruments Settle in Year One [Member] | Silver Put Options Sold [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount (41,850,000)invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Outstanding Put Options of Silver 2,700,000cde_OutstandingPutOptionsofSilver
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
     
Derivative Instruments Settle in Year One [Member] | Kensington Term Facility [Member] | Gold put options purchased [Member] | Put Option [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Weighted Average Strike Price of Put Options     1,200cde_WeightedAverageStrikePriceofPutOptions
/ us-gaap_DerivativeByNatureAxis
= cde_GoldPutOptionsPurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= us-gaap_PutOptionMember
 
Derivative Instruments Settle in Year One [Member] | Kensington Term Facility [Member] | Silver put options purchased [Member] | Put Option [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Weighted Average Strike Price of Put Options 17.00cde_WeightedAverageStrikePriceofPutOptions
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= us-gaap_PutOptionMember
  18.00cde_WeightedAverageStrikePriceofPutOptions
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= us-gaap_PutOptionMember
 
Derivative Financial Instruments, Assets [Member] | Gold put options purchased [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Notional ounces     24,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_GoldPutOptionsPurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= us-gaap_DerivativeFinancialInstrumentsAssetsMember
 
Derivative Financial Instruments, Assets [Member] | Silver put options purchased [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Notional ounces 2,700,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= us-gaap_DerivativeFinancialInstrumentsAssetsMember
  1,300,000invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= us-gaap_DerivativeFinancialInstrumentsAssetsMember
 
Derivative Instruments Settle in Year Two [Member] | Silver concentrate sales agreements [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Notional ounces 0invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative Average Price 0cde_DerivativeAveragePrice
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Derivative Instruments Settle in Year Two [Member] | Gold concentrates sales agreements [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Notional ounces 0invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative Average Price 0cde_DerivativeAveragePrice
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Derivative Instruments Settle in Year Two [Member] | Silver put options purchased [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Notional ounces 0invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Derivative Instruments Settle in Year Two [Member] | Silver Put Options Sold [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Weighted Average Strike Price of Put Options 15.50cde_WeightedAverageStrikePriceofPutOptions
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
  16.00cde_WeightedAverageStrikePriceofPutOptions
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
 
Outstanding Put Options of Silver 0cde_OutstandingPutOptionsofSilver
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleInYearTwoMember
     
Derivative Instruments Settle Thereafter [Member] | Silver concentrate sales agreements [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Notional ounces 0invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative Average Price 0cde_DerivativeAveragePrice
/ us-gaap_DerivativeByNatureAxis
= cde_SilverConcentrateSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Derivative Instruments Settle Thereafter [Member] | Gold concentrates sales agreements [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Notional ounces 0invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative Average Price 0cde_DerivativeAveragePrice
/ us-gaap_DerivativeByNatureAxis
= cde_GoldConcentratesSalesAgreementsMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Derivative Instruments Settle Thereafter [Member] | Silver put options purchased [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Notional ounces 0invest_DerivativeNonmonetaryNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverputoptionspurchasedMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Derivative Instruments Settle Thereafter [Member] | Silver Put Options Sold [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Derivative, Notional Amount 0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Outstanding Put Options of Silver 0cde_OutstandingPutOptionsofSilver
/ us-gaap_DerivativeByNatureAxis
= cde_SilverPutOptionsSoldMember
/ cde_DerivativeInstrumentsSettleInYearsAxis
= cde_DerivativeInstrumentsSettleThereafterMember
     
Prepaid Expenses and Other Current Assets [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Fair value of the contract 2,607,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
  3,925,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
 
Prepaid Expenses and Other Current Assets [Member] | Gold Put Purchase and Call Sold Options Net [Member]        
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract]        
Fair Value, Asian Put Options 1,500,000cde_FairValueAsianPutOptions
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember
     
Fair value of the contract     $ 3,882,000us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= cde_GoldPutPurchaseAndCallSoldOptionsNetMember