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Earnings Per Share | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE 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) | 2017 |  | 2016 |  | 2015
Net income | $ | 44,315 |  |  | $ | 40,045 |  |  | $ | 43,209 |
Average common shares: |  |  |  |  |  |  |  |
Basic (weighted-average outstanding shares) | 11,549 |  |  | 11,434 |  |  | 11,349 |
Dilutive potential common shares from stock options | 133 |  |  | 131 |  |  | 133 |
Diluted (weighted-average outstanding shares) | 11,682 |  |  | 11,565 |  |  | 11,482 |
Basic earnings per share | $ | 3.84 |  |  | $ | 3.50 |  |  | $ | 3.81 |
Diluted earnings per share | $ | 3.79 |  |  | $ | 3.46 |  |  | $ | 3.76 |
Stock options totaling 1,565 shares in 2017, 21,491 shares in 2016, and 61,690 shares in 2015 were not included in the diluted earnings per share calculation because the effect would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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