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Earnings Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Summary Of Computation Of Basic And Diluted Earnings Per Common Share | The following table sets forth the computation of basic and diluted earnings per common share for the three months ended March 31, 2021 and 2020.
|  | Three Months Ended March 31, |
(In thousands, except share and per common share data) |  | 2021 |  | 2020 |
Numerator: |  |  |  |  |
Net income |  | $ | 42,831 |  |  | $ | 22,372 |  |
Denominator: |  |  |  |  |
Weighted-average common shares outstanding |  | 16,314,987 |  |  | 16,303,602 |  |
Effect of dilutive PBRSUs and TBRSUs |  | 124,933 |  |  | 122,279 |  |
Weighted-average common shares outstanding adjusted for the effect of dilutive PBRSUs and TBRSUs |  | 16,439,920 |  |  | 16,425,881 |  |
Earnings per common share: |  |  |  |  |
Basic earnings per common share |  | $ | 2.63 |  |  | $ | 1.37 |  |
Diluted earnings per common share |  | $ | 2.61 |  |  | $ | 1.36 |  |

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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=124432515&loc=d3e3550-109257 + Details
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