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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
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 (in thousands, except per share data):
| For the Year Ended December 31,
| 2020 | 2019 | 2018
Net income available to common shareholders | $ | 89,595 |  | $ | 89,352 |  | $ | 70,002 |
Less: earnings allocated to participating securities | (887) |  | (806) |  | (654) |
Net earnings allocated to common shareholders | $ | 88,708 |  | $ | 88,546 |  | $ | 69,348 |
Distributed earnings allocated to common shares outstanding | $ | 35,745 |  | $ | 35,542 |  | $ | 32,483 |
Undistributed earnings allocated to common shares outstanding | 52,963 |  | 53,004 |  | 36,865 |
Net earnings allocated to common shareholders | $ | 88,708 |  | $ | 88,546 |  | $ | 69,348 |
Average shares outstanding, basic | 15,975 |  | 16,314 |  | 15,421 |
Effect of dilutive securities | 20 |  | 19 |  | 18 |
Average shares outstanding, diluted | 15,995 |  | 16,333 |  | 15,439 |
Basic earnings per share | $ | 5.55 |  | $ | 5.43 |  | $ | 4.50 |
Diluted earnings per share | $ | 5.55 |  | $ | 5.42 |  | $ | 4.49 |

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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/2009/role/commonPracticeRef -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 + Details
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