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INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE |  |  |
Recovery of income taxes | $ 18,957,000 | $ 6,463,000 |
Income on investment in MSC, net of amortization | 7,029,000 | (237,000) |
MSC |  |  |
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE |  |  |
Net income on investment in MSC | 3,029,000 | 1,196,000 | 2,126,000
Ownership interest (as a percent) | 49.00% | 49.00% |
Net income | 6,182,000 | 2,440,000 |
Amortization of fair value increments, before tax | 1,800,000 |  |
Recovery of income taxes | 5,800,000 |  |
Amortization of fair value increments, net of tax | 4,000,000 | (1,433,000) | (1,280,000)
Income on investment in MSC, net of amortization | 7,029,000 | (237,000) |
Equity method investment, overstatement of income from prior year recorded in current period |  | 3,900,000 |
Entity's share of income in investee, understatement of income from prior year recorded in current period |  | $ 1,900,000 |

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- Definition Represents the overstatement of the entity's proportionate share of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied related to the prior year. + References No definition available. + Details
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