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Stock Incentive Plan (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Summary of Compensation Cost, Net of Forfeitures, Related to Stock-based Compensation | The following table summarizes the compensation cost, net of forfeitures, related to stock-based compensation for the years ended December 31, 2022, 2021, and 2020 (in thousands):
|  | 2022 |  |  | 2021 |  |  | 2020 |
Stock and stock unit awards: |  |  |  |  |  |  |  |  |
Pre-tax compensation expense |  | $ | 1,874 |  |  | $ | 1,304 |  |  | $ | 774 |
Income tax benefit |  |  | (394 | ) |  |  | (274 | ) |  |  | (163 | )
Total share-based compensation expense, net of income taxes |  | $ | 1,480 |  |  | $ | 1,030 |  |  | $ | 611 |
Summary of Unvested Stock and Stock Units | The following table summarizes non-vested stock and stock unit activity for the years ended December 31, 2022, 2021, and 2020:
|  | 2022 |  |  | 2021 |  |  | 2020 |
|  |  |  |  | Weighted-avg |  |  |  |  |  | Weighted-avg |  |  |  |  |  | Weighted-avg |
|  |  |  |  | Grant-date |  |  |  |  |  | Grant-date |  |  |  |  |  | Grant-date |
|  | Shares |  |  | Fair Value |  |  | Shares |  |  | Fair Value |  |  | Shares |  |  | Fair Value |
Nonvested, beginning of year |  |  | 62,040 |  |  | $ | 34.27 |  |  |  | 42,220 |  |  | $ | 34.62 |  |  |  | 37,908 |  |  | $ | 35.49 |
Granted |  |  | 63,150 |  |  |  | 41.07 |  |  |  | 48,575 |  |  |  | 34.42 |  |  |  | 25,950 |  |  |  | 34.46 |
Vested |  |  | (40,759 | ) |  |  | 38.20 |  |  |  | (28,355 | ) |  |  | 35.02 |  |  |  | (21,305 | ) |  |  | 35.99 |
Forfeited |  |  | (2,383 | ) |  |  | (39.35 | ) |  |  | (400 | ) |  |  | (34.34 | ) |  |  | (333 | ) |  |  | (33.31 | )
Nonvested, end of year |  |  | 82,048 |  |  | $ | 37.41 |  |  |  | 62,040 |  |  | $ | 34.27 |  |  |  | 42,220 |  |  | $ | 34.62 |
Fair value of shares vested |  |  |  |  | $ | 1,556,870 |  |  |  |  |  | $ | 993,094 |  |  |  |  |  | $ | 766,774 |

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- Definition Tabular disclosure of the change in restricted stock and restricted stock units (RSUs). + References No definition available. + Details
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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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