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Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2019
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 |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Basic earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 16,642 |  |  | $ | 14,115 |  |  | $ | 27,458 |  |  | $ | 26,919 |
Weighted average common shares outstanding (1) |  |  | 45,055,117 |  |  |  | 38,347,612 |  |  |  | 41,956,047 |  |  |  | 38,327,118 |
Basic earnings per share |  | $ | 0.37 |  |  | $ | 0.37 |  |  | $ | 0.65 |  |  | $ | 0.70 |
Diluted earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders |  | $ | 16,642 |  |  | $ | 14,115 |  |  | $ | 27,458 |  |  | $ | 26,919 |
Weighted average common shares outstanding (1) |  |  | 45,055,117 |  |  |  | 38,347,612 |  |  |  | 41,956,047 |  |  |  | 38,327,118 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock |  |  | — |  |  |  | 47,307 |  |  |  | — |  |  |  | 37,383 |
Stock options |  |  | 75,291 |  |  |  | 124,482 |  |  |  | 76,924 |  |  |  | 119,820 |
Weighted average common shares outstanding |  |  | 45,130,408 |  |  |  | 38,519,401 |  |  |  | 42,032,971 |  |  |  | 38,484,321 |
|  | $ | 0.37 |  |  | $ | 0.37 |  |  | $ | 0.65 |  |  | $ | 0.70 |
(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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