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Short Term Investments - Available for Sale (Tables) | 12 Months Ended
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Dec. 31, 2013
Cost and Fair Value of Investments |
|  | December 31, |  |  | December 31, |
|  | 2013 |  |  | 2012 |
|  | (in thousands) |
At start of year |  | $ | 76,183 |  |  | $ | 54,940 |
Additions |  |  | 172,168 |  |  |  | 102,575 |
Disposals |  |  | (109,795 | ) |  |  | (82,193 | )
Unrealized capital gain/(loss) - investments |  |  | (239 | ) |  |  | 861 |
At end of year |  | $ | 138,317 |  |  | $ | 76,183 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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