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Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2018
Accounting Policies [Abstract] |
Summary of Computation of Basic and Diluted Earnings Per Share | The following table shows computation of basic and diluted earnings per share.
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30 |  |  | June 30 |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Basic earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 14,115 |  |  | $ | 9,072 |  |  | $ | 26,919 |  |  | $ | 17,296 |
Weighted average common shares outstanding(1) |  |  | 38,347,612 |  |  |  | 33,264,697 |  |  |  | 38,327,118 |  |  |  | 33,263,997 |
Basic earnings per share |  | $ | 0.37 |  |  | $ | 0.27 |  |  | $ | 0.70 |  |  | $ | 0.52 |
Diluted earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders |  | $ | 14,115 |  |  | $ | 9,072 |  |  | $ | 26,919 |  |  | $ | 17,296 |
Weighted average common shares outstanding(1) |  |  | 38,347,612 |  |  |  | 33,264,697 |  |  |  | 38,327,118 |  |  |  | 33,263,997 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock |  |  | 47,307 |  |  |  | 45,136 |  |  |  | 37,383 |  |  |  | 49,807 |
Stock options |  |  | 124,482 |  |  |  | 173,751 |  |  |  | 119,820 |  |  |  | 172,975 |
Weighted average common shares outstanding |  |  | 38,519,401 |  |  |  | 33,483,584 |  |  |  | 38,484,321 |  |  |  | 33,486,779 |
|  | $ | 0.37 |  |  | $ | 0.27 |  |  | $ | 0.70 |  |  | $ | 0.51 |
(1) | adjusted for 3:2 stock split on June 15, 2018

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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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