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Earnings Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Components of Basic and Diluted Earnings Per Share | The components of basic and diluted earnings per share were as follows for the three-month periods ended March 31, 2016 and 2015:
| Three Months Ended March 31,
(In Thousands Except Share Data) | 2016 |  | 2015
| Basic |  | Diluted |  | Basic |  | Diluted
Net income | $ | 22,427 |  |  | $ | 22,427 |  |  | $ | 23,679 |  |  | $ | 23,679 |
Weighted-average common shares outstanding | 25,209,888 |  |  | 25,209,888 |  |  | 24,990,470 |  |  | 24,990,470 |
Add dilutive effect of restricted stock awards | — |  |  | 154,742 |  |  | — |  |  | 114,313 |
Add dilutive effect of stock options | — |  |  | 231,807 |  |  | — |  |  | — |
Weighted-average common shares | 25,209,888 |  |  | 25,596,437 |  |  | 24,990,470 |  |  | 25,104,783 |
Earnings per common share | $ | 0.89 |  |  | $ | 0.88 |  |  | $ | 0.95 |  |  | $ | 0.94 |
Awards excluded from diluted earnings per share calculation(1) | — |  |  | 180,912 |  |  | — |  |  | 697,950 |
(1) | Outstanding awards that are not "in-the-money" are excluded from the diluted earnings per share calculation because the effect of including them would have been anti-dilutive.

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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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