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v2.4.1.9

Write-Downs Narrative (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Write-downs | $ 1,472,721,000 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | $ 772,993,000 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | $ 5,825,000 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Write-downs, net of tax | 1,021,800,000 cde_ImpairmentofLongLivedAssetsHeldforuseNetofTax | 593,200,000 cde_ImpairmentofLongLivedAssetsHeldforuseNetofTax |
Palmarejo [Member] |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Write-downs | 784,000,000 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = cde_PalmarejoMember | 642,100,000 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = cde_PalmarejoMember |
Write-downs, net of tax | 504,500,000 cde_ImpairmentofLongLivedAssetsHeldforuseNetofTax / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = cde_PalmarejoMember | 462,300,000 cde_ImpairmentofLongLivedAssetsHeldforuseNetofTax / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = cde_PalmarejoMember |
La Preciosa [Member] |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Write-downs | 372,500,000 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = cde_LaPreciosaMember |  |
Write-downs, net of tax | $ 244,900,000 cde_ImpairmentofLongLivedAssetsHeldforuseNetofTax / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = cde_LaPreciosaMember |  |

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