Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2016	Aug. 01, 2016
Document and Entity Information
Entity Registrant Name	McEwen Mining Inc.
Entity Central Index Key	0000314203
Document Type	10-Q/A
Document Period End Date	Jun. 30, 2016
Amendment Flag	true
Amendment Description	McEwen Mining Inc. (the "Company") is filing this Amendment No. 1 on Form 10-Q/A to its Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2016, which was originally filed with the Securities and Exchange Commission ("SEC") on August 4, 2016 ("Original Report"), to correct a typographical error in the Notes to Consolidated Financial Statements (unaudited) contained in Part I, Item 1 – Financial Statements of the Original Report. Corrections have been made to the table on page 16 in Note 13 Segmented Information. The mineral property interests line under the Corporate & Others segment was corrected to $nil and total mineral property interests was corrected to $243 million. The original report contained a reference error in both of these cells. No attempt has been made in this Amendment to modify or update the disclosures in the Original Report except as required to correct the error. Except as otherwise noted herein, this Amendment continues to describe conditions as of the date of the Original Report and the disclosures contained herein have not been updated to reflect events, results or developments that occurred after the date of the Original Report, or to modify or update those disclosures affected by subsequent events. Among other things, forward-looking statements made in the Original Report have not been revised to reflect events, results or developments that occurred or facts that became known to the Company after the date of the Original Report, and such forward-looking statements should be read in conjunction with the Company's filings with the SEC subsequent to the filing of the Original Report. Accordingly, this Amendment should be read in conjunction with the Original Report and the Company's other filings with the SEC made subsequent to August 4, 2016.
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		278,997,838
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2