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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earnings Per Share | The diluted EPS calculation includes potential common shares assumed issued under the treasury stock method, which reflects the potential dilution that would occur if any outstanding options or warrants were exercised or restricted stock becomes vested, and includes the “if converted” method for participating securities if the effect is dilutive.
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
|  | (in thousands, except share and per share amounts) |
Basic EPS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders - basic |  | $ | 17,896 |  |  | $ | 17,940 |  |  | $ | 58,792 |  |  | $ | 47,389 |
Basic weighted average common shares |  |  | 19,121,947 |  |  |  | 18,968,718 |  |  |  | 19,092,298 |  |  |  | 18,911,675 |
Basic earnings per common share |  | $ | 0.94 |  |  | $ | 0.95 |  |  | $ | 3.08 |  |  | $ | 2.51 |
Diluted EPS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders - diluted |  | $ | 17,896 |  |  | $ | 17,940 |  |  | $ | 58,792 |  |  | $ | 47,389 |
Diluted weighted average common shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares |  |  | 19,121,947 |  |  |  | 18,968,718 |  |  |  | 19,092,298 |  |  |  | 18,911,675 |
Stock options and performance shares |  |  | 68,244 |  |  |  | 127,541 |  |  |  | 94,100 |  |  |  | 176,465 |
Diluted weighted average common shares |  |  | 19,190,191 |  |  |  | 19,096,259 |  |  |  | 19,186,398 |  |  |  | 19,088,140 |
Diluted earnings per common share |  | $ | 0.93 |  |  | $ | 0.94 |  |  | $ | 3.06 |  |  | $ | 2.48 |

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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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