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EARNINGS PER SHARE | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE Basic and diluted earnings per common share were calculated as follows (in thousands, except per share amounts):
| Three Months Ended September 30, |  |  |  | Nine Months Ended September 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Basic weighted average number of shares outstanding | 37,607 |  |  | 38,296 |  |  | 37,763 |  |  | 38,119 |
Effect of dilutive securities: |  |  |  |  |  |  |
Unvested restricted stock | 798 |  |  | 783 |  |  | 728 |  |  | 722 |
Diluted average shares outstanding | 38,405 |  |  | 39,079 |  |  | 38,491 |  |  | 38,841 |
Net earnings | $ | 109,118 |  |  | $ | 69,809 |  |  | $ | 270,948 |  |  | $ | 146,049 |
Basic earnings per share | $ | 2.90 |  |  | $ | 1.82 |  |  | $ | 7.17 |  |  | $ | 3.83 |
Diluted earnings per share | $ | 2.84 |  |  | $ | 1.79 |  |  | $ | 7.04 |  |  | $ | 3.76 |

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