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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share [Abstract] |
Basic and diluted earnings per share |
| Years ended
(Dollars in thousands, except per share data) | December 31, 2013 |  | December 31, 2012 |  | December 31, 2011
Net income available to common stockholders, basic and diluted | $ | 95,644 |  |  | 75,516 |  |  | 17,471 |
Average outstanding shares - basic | 73,191,713 |  |  | 71,928,570 |  |  | 71,915,073 |
Add: dilutive stock options and awards | 68,565 |  |  | 86 |  |  | — |
Average outstanding shares - diluted | 73,260,278 |  |  | 71,928,656 |  |  | 71,915,073 |
Basic earnings per share | $ | 1.31 |  |  | 1.05 |  |  | 0.24 |
Diluted earnings per share | $ | 1.31 |  |  | 1.05 |  |  | 0.24 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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