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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the reconciliation from basic to diluted average common shares and the calculations of net income per common share. Net income for basic and diluted calculations does not differ.
(in thousands, except per share amounts) | 2018 |  | 2017 |  | 2016
Net income | $ | 73,486 |  | $ | 44,315 |  | $ | 40,045
Average common shares: |  |  |  |  |
Basic (weighted-average outstanding shares) | 11,660 |  | 11,549 |  | 11,434
Dilutive potential common shares from stock options | 101 |  | 133 |  | 131
Diluted (weighted-average outstanding shares) | 11,761 |  | 11,682 |  | 11,565
Basic earnings per share | $ | 6.30 |  | $ | 3.84 |  | $ | 3.50
Diluted earnings per share | $ | 6.25 |  | $ | 3.79 |  | $ | 3.46

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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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