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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Components of Accumulated Other Comprehensive Income (Loss), Net of Taxes | The components of accumulated other comprehensive income (loss), net of taxes, are as follows:
(Dollars in thousands) |  | Unrealized Loss on Securities |  |  | Defined Benefit Plan |  |  | Accumulated Other Comprehensive (Loss) Income |
Balance - December 31, 2020 |  | $ | (3 | ) |  | $ | (54 | ) |  | $ | (57 | )
Balance - December 31, 2019 |  | $ | (128 | ) |  | $ | 471 |  |  | $ | 343 |
Basic and Diluted Earnings Per Common Share | The following data show the amounts used in computing basic and diluted earnings per common share.
(Dollars in thousands, except per share data) |  |  |  |  |  |  |  |  |  |  |  |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Net income |  | $ | 26,209 |  |  | $ | 17,701 |  |  | $ | 10,596 |
Less: Dividends on Series D preferred stock |  |  | — |  |  |  | — |  |  |  | 102 |
Net income available to common shareholders |  | $ | 26,209 |  |  | $ | 17,701 |  |  | $ | 10,494 |
Weighted average shares outstanding (basic) |  |  | 8,439,427 |  |  |  | 8,468,586 |  |  |  | 7,071,091 |
Effect of dilutive unvested restricted stock grants |  |  | 3,665 |  |  |  | 23,487 |  |  |  | 20,706 |
Weighted average shares outstanding (diluted) |  |  | 8,443,092 |  |  |  | 8,492,073 |  |  |  | 7,091,797 |
Basic earnings per common share |  | $ | 3.11 |  |  | $ | 2.09 |  |  | $ | 1.48 |
Diluted earnings per common share |  | $ | 3.10 |  |  | $ | 2.09 |  |  | $ | 1.48 |

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