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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2020
Earnings Per Share [Abstract] |
Calculation of Basic Earnings Per Share |
|  | (in thousands of dollars) |
|  | Three Months Ended |
|  | March 31, 2020 |  |  | March 31, 2019 |
Earnings per share |  |  |  |  |  |  |  |
Net income |  | $ | 4,105 |  |  | $ | 3,224 |
Less: distributed earnings allocated to participating securities |  |  | (13 | ) |  |  | (12 | )
Less: undistributed earnings allocated to participating securities |  |  | (20 | ) |  |  | (12 | )
Net earnings available to common shareholders |  | $ | 4,072 |  |  | $ | 3,200 |
Weighted average common shares outstanding including participating securities |  |  | 11,134,870 |  |  |  | 11,089,839 |
Less: average unvested restricted shares |  |  | (84,732 | ) |  |  | (83,417 | )
Weighted average common shares outstanding |  |  | 11,050,138 |  |  |  | 11,006,422 |
Basic earnings and diluted per share |  | $ | 0.37 |  |  | $ | 0.29 |

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