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Earnings Per Common Share | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Earnings Per Common Share | Earnings Per Common Share Earnings per common share is computed using the two-class method as more fully described in our 2015 Form 10-K. The following table presents a reconciliation of net income available to common shareholders, net earnings allocated to common stock and the number of shares used in the calculation of basic and diluted earnings per common share.
| Three Months Ended March 31,
| 2016 |  | 2015
Net income | $ | 68,779 |  |  | $ | 72,163 |
Less: Preferred stock dividends | 2,016 |  |  | 2,016 |
Net income available to common shareholders | 66,763 |  |  | 70,147 |
Less: Earnings allocated to participating securities | 235 |  |  | 237 |
Net earnings allocated to common stock | $ | 66,528 |  |  | $ | 69,910 |
Distributed earnings allocated to common stock | $ | 32,822 |  |  | $ | 32,179 |
Undistributed earnings allocated to common stock | 33,706 |  |  | 37,731 |
Net earnings allocated to common stock | $ | 66,528 |  |  | $ | 69,910 |
Weighted-average shares outstanding for basic earnings per common share | 61,929,466 |  |  | 63,094,391 |
Dilutive effect of stock compensation | 149,728 |  |  | 685,043 |
Weighted-average shares outstanding for diluted earnings per common share | 62,079,194 |  |  | 63,779,434 |

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