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Net Income (Loss) Per Common Share | 12 Months Ended
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Dec. 31, 2015
Earnings Per Share [Abstract] |
Net Income (Loss) Per Common Share | Note 19—Net Income (Loss) Per Common Share The reconciliation of the numerator and the denominator of the earnings per common share is as follows:
|  | Years ended December 31, |
(Dollar amounts in thousands, except share and per share data) |  | 2015 |  |  | 2014 |  |  | 2013 |
|  |  |  |  | (As restated) |
Net income (loss) |  | $ | 85,377 |  |  | $ | 66,157 |  |  | $ | (27,117 | )
Less: non-forfeitable dividends on restricted stock |  |  | 9 |  |  |  | — |  |  |  | — |
Net income (loss) available to common shareholders |  | $ | 85,368 |  |  | $ | 66,157 |  |  | $ | (27,117 | )
Weighted average common shares outstanding |  |  | 77,066,459 |  |  |  | 78,337,152 |  |  |  | 78,914,310 |
Weighted average potential dilutive common shares (1)(2) |  |  | 114,664 |  |  |  | 553,987 |  |  |  | — |
Weighted average common shares outstanding—assuming dilution |  |  | 77,181,123 |  |  |  | 78,891,139 |  |  |  | 78,914,310 |
Net income (loss) per common share—basic |  | $ | 1.11 |  |  | $ | 0.84 |  |  | $ | (0.34 | )
Net income (loss) per common share—diluted |  | $ | 1.11 |  |  | $ | 0.84 |  |  | $ | (0.34 | )
(1) | Potential common shares consist of common stock issuable under the assumed exercise of stock options, restricted stock and RSUs awards using the treasury stock method.
(2) | For the year ended December 31, 2013, 2,325,209 potential common shares consisting of common stock under the assumed exercise of stock options and restricted stock awards using the treasury stock method were not included in the computation of the diluted net income (loss) per share since their inclusion would have an antidilutive effect.
Refer to Note 14 for a detail of dividends declared and paid during 2015 and 2014.

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