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Segment Reporting Narrative (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]      
Sales Revenue, Goods, Net $ 635,742us-gaap_SalesRevenueGoodsNet $ 745,994us-gaap_SalesRevenueGoodsNet $ 895,492us-gaap_SalesRevenueGoodsNet
Silver [Member]      
Segment Reporting Information [Line Items]      
Sales Revenue, Goods, Net 328,500us-gaap_SalesRevenueGoodsNet
/ us-gaap_ProductOrServiceAxis
= cde_SilverMember		 394,500us-gaap_SalesRevenueGoodsNet
/ us-gaap_ProductOrServiceAxis
= cde_SilverMember		 549,700us-gaap_SalesRevenueGoodsNet
/ us-gaap_ProductOrServiceAxis
= cde_SilverMember
Gold [Member]      
Segment Reporting Information [Line Items]      
Sales Revenue, Goods, Net $ 304,000us-gaap_SalesRevenueGoodsNet
/ us-gaap_ProductOrServiceAxis
= cde_GoldMember		 $ 351,500us-gaap_SalesRevenueGoodsNet
/ us-gaap_ProductOrServiceAxis
= cde_GoldMember		 $ 345,800us-gaap_SalesRevenueGoodsNet
/ us-gaap_ProductOrServiceAxis
= cde_GoldMember
Dore [Member]      
Segment Reporting Information [Line Items]      
Number of Trading Counterparties 7cde_NumberofTradingCounterparties
/ us-gaap_ProductOrServiceAxis
= cde_DoreMember		    
Smelting and Refining [Member]      
Segment Reporting Information [Line Items]      
Number of Trading Counterparties 7cde_NumberofTradingCounterparties
/ us-gaap_ProductOrServiceAxis
= cde_SmeltingandRefiningMember		    
Sales [Member] | Dore [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 63.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ProductOrServiceAxis
= cde_DoreMember		 72.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ProductOrServiceAxis
= cde_DoreMember		 91.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ProductOrServiceAxis
= cde_DoreMember
Sales [Member] | Smelting and Refining [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 37.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ProductOrServiceAxis
= cde_SmeltingandRefiningMember		 28.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ProductOrServiceAxis
= cde_SmeltingandRefiningMember		 9.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ProductOrServiceAxis
= cde_SmeltingandRefiningMember