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Mining Properties (Details Textual) (USD $) | 12 Months Ended
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Dec. 31, 2014 oz
Property, Plant and Equipment [Line Items] |
Cumulative Ounces of Silver Received by the Subsidiary | 5,400,000 cde_CumulativeOuncesOfSilverReceivedBySubsidiary
Current Ore Reserve payable Ounces Based on Current Metallurgical Recovery and Current Smelter Contract Terms | 1,700,000 cde_CurrentOreReservePayableOuncesBasedOnCurrentMetallurgicalRecoveryAndCurrentSmelterContractTerms
McEwen Mining Inc, El Gallo, Magistral Mine [Member] |
Property, Plant and Equipment [Line Items] |
Net Smelter Return Percentage Paid | 3.50%cde_NetSmelterReturnPercentagePaid / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cde_McEwenMiningIncElGalloMagistralMineMember
Dynasty Metals and Mining, Inc Zaruma Mine [Member] |
Property, Plant and Equipment [Line Items] |
Net Smelter Return Percentage Paid | 1.50%cde_NetSmelterReturnPercentagePaid / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cde_DynastyMetalsandMiningIncZarumaMineMember
Cerro Bayo Mine [Member] |
Property, Plant and Equipment [Line Items] |
Net Smelter Return Percentage Paid | 2.00%cde_NetSmelterReturnPercentagePaid / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cde_CerroBayoMineMember
New Zealand [Members] |
Property, Plant and Equipment [Line Items] |
Net Smelter Return Percentage Paid | 2.50%cde_NetSmelterReturnPercentagePaid / us-gaap_PropertyPlantAndEquipmentByTypeAxis = country_NZ
Due from Joint Ventures | 0.80 us-gaap_DueFromJointVentures / us-gaap_PropertyPlantAndEquipmentByTypeAxis = country_NZ

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- Definition Current Ore Reserve payable Ounces Based on Current Metallurgical Recovery and Current Smelter Contract Terms. + References No definition available. + Details
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- Definition For an unclassified balance sheet, amounts due from an entity in which the reporting entity shares joint control with another party or group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 1 -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.3) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 + Details
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