XML 76 R63.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Derivative Financial Instruments (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 USD ($) oz $ / oz | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) oz $ / oz | Sep. 30, 2015 USD ($)
Derivative [Line Items] |  |  |  |
Gain (loss) on derivative instruments | $ (961,000) | $ 5,786,000 | $ (13,235,000) | $ 3,657,000
Derivative instruments Settlement |  |  |  |
Price per ounce under agreement | 416 |  | 416 |
Silver concentrate sales agreements [Member] | 2016 [Member] |  |  |  |
Derivative instruments Settlement |  |  |  |
Derivative, notional amount | $ 5,349,000 |  | $ 5,349,000 |
Derivative average price | $ / oz | 19.35 |  | 19.35 |
Outstanding Provisionally Priced Sales Consists of Silver | oz | 276,448 |  | 276,448 |
Silver concentrate sales agreements [Member] | Thereafter [Member] |  |  |  |
Derivative instruments Settlement |  |  |  |
Derivative, notional amount | $ 0 |  | $ 0 |
Derivative average price | $ / oz | 0 |  | 0 |
Notional ounces | oz | 0 |  | 0 |
Gold concentrates sales agreements [Member] | 2016 [Member] |  |  |  |
Derivative instruments Settlement |  |  |  |
Derivative, notional amount | $ 32,150,000 |  | $ 32,150,000 |
Derivative average price | $ / oz | 1,315 |  | 1,315 |
Outstanding Provisionally Priced Sales Consists of Gold | oz | 24,449 |  | 24,449 |
Gold concentrates sales agreements [Member] | Thereafter [Member] |  |  |  |
Derivative instruments Settlement |  |  |  |
Derivative, notional amount | $ 0 |  | $ 0 |
Derivative average price | $ / oz | 0 |  | 0 |
Notional ounces | oz | 0 |  | 0 |

X
- Definition Derivative Average Price. + References No definition available. + Details
Name: | cde_DerivativeAveragePrice
Namespace Prefix: | cde_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Derivative instruments Settlement. + References No definition available. + Details
Name: | cde_DerivativeInstrumentsSettlementAbstract
Namespace Prefix: | cde_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Outstanding provisionally priced sales consists of Gold. + References No definition available. + Details
Name: | cde_OutstandingProvisionallyPricedSalesConsistsOfGold
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Outstanding provisionally priced sales consists of silver. + References No definition available. + Details
Name: | cde_OutstandingProvisionallyPricedSalesConsistsOfSilver
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price per ounce under agreement + References No definition available. + Details
Name: | cde_Priceperounceunderagreement
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | invest_DerivativeNonmonetaryNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeByNatureAxis=cde_SilverConcentrateSalesAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cde_DerivativeInstrumentsSettleInYearsAxis=cde_DerivativeInstrumentsSettleInYearOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cde_DerivativeInstrumentsSettleInYearsAxis=cde_DerivativeInstrumentsSettleThereafterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeByNatureAxis=cde_GoldConcentratesSalesAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |