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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Schedule Of Computation Of Basic And Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share using the two class method (in thousands, except per share data):
| Three months ended June 30, | Six months ended June 30,
2018 | 2017 | 2018 | 2017
Net income available to common shareholders | $ | 20,979 |  | $ | 14,688 |  | $ | 38,590 |  | $ | 30,714 |
Less: earnings allocated to participating securities | (211 | ) | (158 | ) | (377 | ) | (333 | )
Net earnings allocated to common shareholders | $ | 20,768 |  | $ | 14,530 |  | $ | 38,213 |  | $ | 30,381 |
Distributed earnings allocated to common stock | $ | 7,039 |  | $ | 6,797 |  | $ | 14,077 |  | $ | 13,594 |
Undistributed earnings allocated to common stock | 13,729 |  | 7,733 |  | 24,136 |  | 16,787 |
Net earnings allocated to common shareholders | $ | 20,768 |  | $ | 14,530 |  | $ | 38,213 |  | $ | 30,381 |
Average shares outstanding | 15,326 |  | 15,462 |  | 15,370 |  | 15,344 |
Effect of dilutive securities: |  |  |  |  |  |
Employee stock awards | 19 |  | 25 |  | 20 |  | 25 |
Shares for diluted earnings per share | 15,345 |  | 15,487 |  | 15,390 |  | 15,369 |
Basic earnings per share | $ | 1.36 |  | $ | 0.94 |  | $ | 2.49 |  | $ | 1.98 |
Diluted earnings per share | $ | 1.35 |  | $ | 0.94 |  | $ | 2.48 |  | $ | 1.98 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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