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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified | Sep. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Gold and silver bullion, market value (in dollars) | $ 2,273 | $ 24,483
Common stock, shares authorized | 500,000,000 | 500,000,000
Common, shares issued | 189,610,000 | 136,572,000
Common, shares outstanding | 189,610,000 | 136,572,000
Exchangeable Series B |  |
Exchangeable, shares issued | 78,886,000 |
Exchangeable, shares outstanding | 78,886,000 |
Exchangeable Series A |  |
Exchangeable, shares issued |  | 3,181,000
Exchangeable, shares outstanding |  | 3,181,000

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