XML 49 R30.htm IDEA: XBRL DOCUMENT
v2.4.0.8

INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE |
Summary of MSC's financial information from operations |
|  | Year Ended December 31, 2013 |  | Period ended December 31, 2012 |
--- | --- | --- | --- | --- | ---
|  | (in thousands) |
Minera Santa Cruz S.A. (100%) |  |  |  |  |  |  |
Sales |  | $ | 240,723 |  | $ | 290,848 |
Production costs applicable to sales |  |  | (190,281 | ) |  | (155,915 | )
Income from operations before extraordinary items |  |  | 4,338 |  |  | 51,634 |
Net income |  |  | 4,338 |  |  | 51,634 |
Portion attributable to McEwen Mining Inc. (49%) |  |  |  |  |  |  |
Net income on investment in MSC |  | $ | 2,126 |  | $ | 25,301 |
Amortization of fair value increments |  |  | (1,280 | ) |  | (4,466 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income on investment in MSC, net of amortization |  | $ | 846 |  | $ | 20,835 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of change in the entity's investment in MSC |
|  | 2013 |  | 2012 |
--- | --- | --- | --- | --- | ---
|  | (in thousands) |
Investment in MSC, beginning of the year |  | $ | 273,948 |  | $ | — |
Fair value of investment in MSC from acquisition of Minera Andes |  |  | — |  |  | 262,883 |
Income from equity investment |  |  | 2,126 |  |  | 25,301 |
Amortization of fair value increments |  |  | (1,280 | ) |  | (4,466 | )
Dividend distribution |  |  | (1,826 | ) |  | (9,770 | )
Impairment of investment in MSC |  |  | (95,878 | ) |  | — |
Contribution of Santa Cruz exploration properties, net of tax |  |  | 35,857 |  |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Investment in MSC, end of the year |  | $ | 212,947 |  | $ | 273,948 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

X
- Definition Tabular disclosure of MSC's financial information from operations. + References No definition available. + Details
Name: | mux_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock
Namespace Prefix: | mux_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration