XML 11 R1.htm IDEA: XBRL DOCUMENT v3.22.2.2
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2022
Nov. 04, 2022
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2022  
Entity File Number 001-33190  
Entity Registrant Name MCEWEN MINING INC.  
Entity Incorporation, State or Country Code CO  
Entity Tax Identification Number 84-0796160  
Entity Address, Address Line One 150 King Street West  
Entity Address, Address Line Two Suite 2800  
Entity Address, City or Town Toronto  
Entity Address, State or Province ON  
Entity Address, Country CA  
Entity Address, Postal Zip Code M5H 1J9  
City Area Code 866  
Local Phone Number 441-0690  
Title of 12(b) Security Common stock, no par value  
Trading Symbol MUX  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   47,427,562
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0000314203  
Amendment Flag false