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Earnings Per Share | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share[Abstract] |
Earnings Per Share | 4. Earnings per Share Earnings per share (“EPS”) are computed using the weighted average number of shares of capital stock outstanding. Earnings and diluted earnings per share are computed as follows (in thousands, except per share data):
|  |  |  | Net Income
For the Three Months Ended June 30, |  | Income |  | Shares |  | Earnings per Share
2019 |  |  |  |  |  |  |  |  |
| Earnings |  | $ | 50,729 |  | 15,928 |  | $ | 3.18
| Dilutive stock options |  |  | - |  | 449 |  |  |
| Nonvested stock awards |  |  | - |  | 72 |  |  |
| Diluted earnings |  | $ | 50,729 |  | 16,449 |  | $ | 3.08
2018 |  |  |  |  |  |  |  |  |
| Earnings |  | $ | 54,971 |  | 16,035 |  | $ | 3.43
| Dilutive stock options |  |  | - |  | 674 |  |  |
| Nonvested stock awards |  |  | - |  | 102 |  |  |
| Diluted earnings |  | $ | 54,971 |  | 16,811 |  | $ | 3.27
|  |  |  | Net Income
For the Six Months Ended June 30, |  | Income |  | Shares |  | Earnings per Share
2019 |  |  |  |  |  |  |  |  |
| Earnings |  | $ | 95,396 |  | 15,941 |  | $ | 5.98
| Dilutive stock options |  |  | - |  | 474 |  |  |
| Nonvested stock awards |  |  | - |  | 74 |  |  |
| Diluted earnings |  | $ | 95,396 |  | 16,489 |  | $ | 5.79
2018 |  |  |  |  |  |  |  |  |
| Earnings |  | $ | 99,967 |  | 16,067 |  | $ | 6.22
| Dilutive stock options |  |  | - |  | 683 |  |  |
| Nonvested stock awards |  |  | - |  | 104 |  |  |
| Diluted earnings |  | $ | 99,967 |  | 16,854 |  | $ | 5.93
For the three and six month periods ended June 30, 2019, there were 246,000 stock options excluded in the computation of dilutive earnings per share because they would have been anti-dilutive. For the three and six month periods ended June 30, 2018, there were no stock options excluded in the computation of dilutive earnings per share because they would have been anti-dilutive.

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