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Acquisitions (Tables) | 3 Months Ended
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Mar. 31, 2016
Business Combinations [Abstract] |
Business Acquisition, Pro Forma Information | The following unaudited pro forma financial information is presented for informational purposes only and is not necessarily indicative of the results of operations as they would have been had the transaction occurred on the assumed date, nor is it necessarily an indication of trends in future results for a number of reasons, including, but not limited to, differences between the assumptions used to prepare the pro forma information, potential synergies, and cost savings from operating efficiencies.
|  | Three months ended March 31,
In thousands |  | 2016 |  | 2015 (Pro Forma)
Revenue |  | $ | 148,387 |  |  | $ | 170,956 |
Income (loss) before income and mining taxes |  | (18,290 | ) |  | (33,271 | )
Net income (loss) |  | (20,396 | ) |  | (33,340 | )

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