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Derivative Financial Instruments (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Derivative [Line Items] |  |  |
Gain (loss) on derivative instruments | $ (4,884,000)us-gaap_GainLossOnDerivativeInstrumentsNetPretax | $ (11,436,000)us-gaap_GainLossOnDerivativeInstrumentsNetPretax |
Derivative instruments Settlement |  |  |
Price per ounce under agreement | 412 cde_Priceperounceunderagreement |  |
Palmarejo gold production royalty [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 39,043,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Price per ounce under agreement | 781 cde_Priceperounceunderagreement / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Notional ounces | 50,004 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Palmarejo gold production royalty [Member] | 2014 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 23,712,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Price per ounce under agreement | 771 cde_Priceperounceunderagreement / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Notional ounces | 30,744 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Palmarejo gold production royalty [Member] | Thereafter [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Price per ounce under agreement | 0 cde_Priceperounceunderagreement / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Notional ounces | 0 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_PalmarejoGoldProductionRoyaltyMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Silver concentrate sales agreements [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 9,129,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Derivative average price | 16.67 cde_DerivativeAveragePrice / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Outstanding Provisionally Priced Sales Consists of Silver | 547,611 cde_OutstandingProvisionallyPricedSalesConsistsOfSilver / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Silver concentrate sales agreements [Member] | 2014 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Notional ounces | 0 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Derivative average price | 0 cde_DerivativeAveragePrice / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Silver concentrate sales agreements [Member] | Thereafter [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Notional ounces | 0 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Derivative average price | 0 cde_DerivativeAveragePrice / us-gaap_DerivativeByNatureAxis = cde_SilverConcentrateSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Gold concentrates sales agreements [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 40,495,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Derivative average price | 1,224 cde_DerivativeAveragePrice / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Outstanding Provisionally Priced Sales Consists of Gold | 33,084 cde_OutstandingProvisionallyPricedSalesConsistsOfGold / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Gold concentrates sales agreements [Member] | 2014 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Notional ounces | 0 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Derivative average price | 0 cde_DerivativeAveragePrice / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Gold concentrates sales agreements [Member] | Thereafter [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Notional ounces | 0 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Derivative average price | 0 cde_DerivativeAveragePrice / us-gaap_DerivativeByNatureAxis = cde_GoldConcentratesSalesAgreementsMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Gold Put Option [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Weighted Average Strike Price of Put Options |  |  | 1,050 cde_WeightedAverageStrikePriceofPutOptions / us-gaap_DerivativeByNatureAxis = cde_GoldPutOptionMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember
Silver put options purchased [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 45,900,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Notional ounces | 2,700,000 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Average strike price | 17.00 us-gaap_DerivativeAveragePriceRiskOptionStrikePrice / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Silver put options purchased [Member] | 2014 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Notional ounces | 0 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Average strike price | 0.00 us-gaap_DerivativeAveragePriceRiskOptionStrikePrice / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Silver put options purchased [Member] | Thereafter [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Notional ounces | 0 invest_DerivativeNonmonetaryNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Average strike price | 0 us-gaap_DerivativeAveragePriceRiskOptionStrikePrice / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Silver Put Options Sold [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 41,850,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Average strike price | 15.50 us-gaap_DerivativeAveragePriceRiskOptionStrikePrice / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember |  |
Silver Put Options Sold [Member] | 2014 [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Weighted Average Strike Price of Put Options | 15.50 cde_WeightedAverageStrikePriceofPutOptions / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  | 16.00 cde_WeightedAverageStrikePriceofPutOptions / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember
Average strike price | 0.00 us-gaap_DerivativeAveragePriceRiskOptionStrikePrice / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearTwoMember |  |
Silver Put Options Sold [Member] | Thereafter [Member] |  |  |
Derivative instruments Settlement |  |  |
Derivative, notional amount | $ 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Average strike price | 0 us-gaap_DerivativeAveragePriceRiskOptionStrikePrice / us-gaap_DerivativeByNatureAxis = cde_SilverPutOptionsSoldMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleThereafterMember |  |
Line of Credit [Member] | Put Option [Member] | Gold put options purchased [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Weighted Average Strike Price of Put Options |  |  | 1,200 cde_WeightedAverageStrikePriceofPutOptions / us-gaap_DerivativeByNatureAxis = cde_GoldPutOptionsPurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_PutOptionMember
Line of Credit [Member] | Put Option [Member] | Silver put options purchased [Member] | 2013 [Member] |  |  |
Derivative instruments Settlement |  |  |
Weighted Average Strike Price of Put Options | 17.00 cde_WeightedAverageStrikePriceofPutOptions / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_PutOptionMember |  | 18.00 cde_WeightedAverageStrikePriceofPutOptions / us-gaap_DerivativeByNatureAxis = cde_SilverputoptionspurchasedMember / cde_DerivativeInstrumentsSettleInYearsAxis = cde_DerivativeInstrumentsSettleInYearOneMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_PutOptionMember

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- Definition Derivative Average Price. + References No definition available. + Details
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- Details
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- Definition Outstanding provisionally priced sales consists of Gold. + References No definition available. + Details
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Data Type: | num:massItemType
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- Definition Outstanding provisionally priced sales consists of silver. + References No definition available. + Details
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- Definition Price per ounce under agreement + References No definition available. + Details
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- Definition Weighted Average Strike Price Of Put Options. + References No definition available. + Details
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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition The average strike price on the group of price risk option contracts such as put options or call options. + References No definition available. + Details
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- Details
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 + Details
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- Details
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- Details
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- Details
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