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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earnings Per Share | The calculation of basic and diluted EPS for the years ended December 31, 2013, 2012 and 2011 are presented below.
|  | For the Year Ended December 31, |
| 2013 |  |  | 2012 |  |  | 2011 |
|  | (In thousands, except earnings per share amounts) |
Basic EPS: |  |  |  |  |  |  |  |  |  |  |  |
Net income, as reported |  | $ | 43,637 |  |  | $ | 29,353 |  |  | $ | 24,181 |
Less allocated income to participating securities |  |  | 142 |  |  |  | 22 |  |  |  | 14 |
Net income available to common shareholders – basic |  | $ | 43,495 |  |  | $ | 29,331 |  |  | $ | 24,167 |
Basic weighted-average common shares |  |  | 18,373 |  |  |  | 18,166 |  |  |  | 18,250 |
Basic earnings per share |  | $ | 2.37 |  |  | $ | 1.62 |  |  | $ | 1.32 |
Diluted EPS: |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders – diluted |  | $ | 43,495 |  |  | $ | 29,331 |  |  | $ | 24,167 |
Diluted weighted average common shares: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares |  |  | 18,373 |  |  |  | 18,166 |  |  |  | 18,250 |
Stock options and performance shares |  |  | 376 |  |  |  | 409 |  |  |  | 443 |
Diluted weighted average common shares |  |  | 18,749 |  |  |  | 18,575 |  |  |  | 18,693 |
Diluted earnings per common share |  | $ | 2.32 |  |  | $ | 1.58 |  |  | $ | 1.29 |
Calculation of Percentage of Net Income Allocable to Common Shareholders | The table below sets forth the reconciliation of the weighted average shares used for the basic and diluted EPS calculation. Under the two-class method, unvested stock options, and out-of-money vested stock options are not considered to be participating securities.
|  | Years Ended |
| 2013 |  |  | 2012 |  |  | 2011 |
Basic weighted average common shares |  |  | 18,373,033 |  |  |  | 18,166,261 |  |  |  | 18,249,583 |
Add: Other common shares eligible for common dividends: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average restricted shares and stock options (including tax benefit component) |  |  | 375,776 |  |  |  | 408,930 |  |  |  | 443,128 |
Diluted weighted average common shares |  |  | 18,748,809 |  |  |  | 18,575,191 |  |  |  | 18,692,711 |

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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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- Definition Tabular disclosure of the effect of income (loss) on an entity's diluted earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1311-109256 + Details
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