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Document and Entity Information
 3 Months Ended
Mar. 31, 2014
May 02, 2014
Document and Entity Information    
Entity Registrant Name McEwen Mining Inc.  
Entity Central Index Key 0000314203  
Document Type 10-Q  
Document Period End Date Mar. 31, 2014  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   265,879,944
Exchangeable Common Stock, Shares Outstanding   31,279,415
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q1