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Mining Properties (Details Textual) - USD ($) $ in Thousands, shares in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2016 | Mar. 31, 2015 | Apr. 19, 2016
Property, Plant and Equipment [Line Items] |  |  |  |
Write-downs |  | $ 4,446 | $ 0 |
Cerro Bayo Mine [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Net smelter return paid (as a percent) | 2.00% |  |  |
Transfer of Financial Assets Accounted for as Sales, Cash Proceeds Received for Assets Derecognized, Amount | $ 5,700 | $ 5,700 |  |
Proceeds from Sale of Productive Assets | $ 4,000 |  |  |
Disposition of Assets, Consideration Transferred, Shares Received | 2.5 |  |  |
Endeavor [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Mineral Interests, Percent |  | 100.00% |  |
Write-downs |  | $ 2,500 |  |
McEwen Mining Inc, El Gallo, Magistral Mine [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Write-downs |  | $ 1,900 |  |
Subsequent Event [Member] | McEwen Mining Inc, El Gallo, Magistral Mine [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Transfer of Financial Assets Accounted for as Sales, Cash Proceeds Received for Assets Derecognized, Amount |  |  |  | $ 6,300
Disposition of Assets, Contingent Consideration, Asset |  |  |  | $ 1,000

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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