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Stock Incentive Plan (Tables) | 12 Months Ended
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Dec. 31, 2023
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, 2023, 2022, and 2021 (in thousands):
|  | 2023 |  |  | 2022 |  |  | 2021 |
Stock and stock unit awards: |  |  |  |  |  |  |  |  |
Pre-tax compensation expense |  | $ | 1,656 |  |  | $ | 1,874 |  |  | $ | 1,304 |
Income tax benefit |  |  | (348 | ) |  |  | (394 | ) |  |  | (274 | )
Total share-based compensation expense, net of income taxes |  | $ | 1,308 |  |  | $ | 1,480 |  |  | $ | 1,030 |
Summary of Unvested Stock and Stock Units | The following table summarizes non-vested stock and stock unit activity for the years ended December 31, 2023, 2022, and 2021:
|  | 2023 |  |  | 2022 |  |  | 2021 |
|  |  |  |  | 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 |  |  | 82,048 |  |  | $ | 37.41 |  |  |  | 62,040 |  |  | $ | 34.27 |  |  |  | 42,220 |  |  | $ | 34.62 |
Granted |  |  | 45,986 |  |  |  | 27.64 |  |  |  | 63,150 |  |  |  | 41.07 |  |  |  | 48,575 |  |  |  | 34.42 |
Vested |  |  | (49,525 | ) |  |  | (34.88 | ) |  |  | (40,759 | ) |  |  | (38.20 | ) |  |  | (28,355 | ) |  |  | (35.02 | )
Forfeited |  |  | (1,769 | ) |  |  | (35.15 | ) |  |  | (2,383 | ) |  |  | (39.35 | ) |  |  | (400 | ) |  |  | (34.34 | )
Nonvested, end of year |  |  | 76,740 |  |  | $ | 33.24 |  |  |  | 82,048 |  |  | $ | 37.41 |  |  |  | 62,040 |  |  | $ | 34.27 |
Fair value of shares vested |  |  |  |  | $ | 1,727,554 |  |  |  |  |  | $ | 1,556,870 |  |  |  |  |  | $ | 993,094 |

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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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