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Mining Properties (Details Textual)
oz in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
oz
Property, Plant and Equipment [Line Items]  
Maximum ore reserves payable under contract 20.0
Cumulative Ounces of Silver Received by the Subsidiary 6.0
Current Ore Reserve payable Ounces Based on Current Metallurgical Recovery and Current Smelter Contract Terms 1.4
Noncontrolling Interest in Joint Ventures | $ $ 0.20
McEwen Mining Inc, El Gallo, Magistral Mine [Member]  
Property, Plant and Equipment [Line Items]  
Net smelter return paid (as a percent) 3.50%
Dynasty Metals and Mining, Inc Zaruma Mine [Member]  
Property, Plant and Equipment [Line Items]  
Net smelter return paid (as a percent) 1.50%
Cerro Bayo Mine [Member]  
Property, Plant and Equipment [Line Items]  
Net smelter return paid (as a percent) 2.00%
NEW ZEALAND  
Property, Plant and Equipment [Line Items]  
Net smelter return paid (as a percent) 2.50%
Due from Joint Ventures | $ $ 0.80