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Inventory and Ore on Leach Pads (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Inventories |  |
Concentrate and dore inventory | $ 23,563 us-gaap_InventoryFinishedGoodsNetOfReserves | $ 14,855 us-gaap_InventoryFinishedGoodsNetOfReserves
Other Inventory, Net of Reserves | 40,870 us-gaap_OtherInventoryNetOfReserves | 52,250 us-gaap_OtherInventoryNetOfReserves
Supplies | 50,498 us-gaap_InventorySuppliesNetOfReserves | 64,918 us-gaap_InventorySuppliesNetOfReserves
Metal and other inventory | 114,931 us-gaap_InventoryNet | 132,023 us-gaap_InventoryNet
Ore on Leach Pad, Current | 48,204 cde_OreOnLeachPadCurrent | 50,495 cde_OreOnLeachPadCurrent
Ore on leach pads | 37,889 cde_OreOnLeachPadNonCurrent | 31,528 cde_OreOnLeachPadNonCurrent
Inventory, Ore Stockpiles on Leach Pads, Gross | 86,093 us-gaap_InventoryOreStockpilesOnLeachPads | 82,023 us-gaap_InventoryOreStockpilesOnLeachPads
Inventory and Ore on Leach Pads | $ 201,024 cde_InventoryandOreonLeachPads | $ 214,046 cde_InventoryandOreonLeachPads

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- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.BB) -URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section BB + Details
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