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Earnings/ Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2012
Reconciliation of Weighted Average Shares Used in Computation of Earnings and Loss Per Share | The following table is a reconciliation of the weighted average shares used in the computation of loss per share for the periods presented (in thousands, except per share data):
|  | Three Months Ended June 30, |
|  | 2011 |  |  | 2012 |
|  | Income |  |  | Weighted Average Shares |  |  | Per-Share |  |  | Income |  |  | Weighted Average Shares |  |  | Per-Share |
Earnings per share – basic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 4,240 |  |  |  | 26,947 |  |  | $ | 0.16 |  |  | $ | 214 |  |  |  | 25,765 |  |  | $ | 0.01 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options and warrants |  |  |  |  |  |  | 20 |  |  |  |  |  |  |  |  |  |  |  | 10 |  |  |  |  |
Unvested restricted stock grants |  |  |  |  |  |  | 129 |  |  |  |  |  |  |  |  |  |  |  | 95 |  |  |  |  |
Earnings per share – diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises and conversion |  | $ | 4,240 |  |  |  | 27,096 |  |  | $ | 0.16 |  |  | $ | 214 |  |  |  | 25,870 |  |  | $ | 0.01 |
|  | Six Months Ended June 30, |
|  | 2011 |  |  | 2012 |
|  | Income |  |  | Weighted Average Shares |  |  | Per-Share |  |  | Income |  |  | Weighted Average Shares |  |  | Per-Share |
Loss per share – basic and diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss available to common stockholders |  | $ | (6,335 | ) |  |  | 27,095 |  |  | $ | (0.23 | ) |  | $ | (15,786 | ) |  |  | 25,766 |  |  | $ | (0.61 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration