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Earnings Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Basic and Diluted | Potentially dilutive common shares include the dilutive effects of shares issuable under our equity compensation plans, including stock options and restricted shares, each using the treasury stock method.
| Three Months Ended March 31,
| 2018 |  | 2017
Numerator — basic and diluted |  |  |
Net income | $ | 38,945 |  |  | $ | 14,016 |
Denominator |  |  |
Weighted average number of common shares outstanding — basic | 36,700 |  |  | 40,527 |
Effect of dilutive stock options | 303 |  |  | 194 |
Effect of dilutive restricted shares | 609 |  |  | 524 |
Weighted average number of common shares outstanding — diluted | 37,612 |  |  | 41,245 |
Earnings per common share — basic | $ | 1.06 |  |  | $ | 0.35 |
Earnings per common share — diluted | $ | 1.04 |  |  | $ | 0.34 |
Antidilutive stock options and restricted shares | 613 |  |  | 903 |

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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/2003/role/presentationRef -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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