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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-Based Compensation Expense | The amount that we recognized in stock-based compensation expense related to the issuance of stock options and RSUs is presented in the following table:
(Dollars in thousands) |  | 2023 |  | 2022 |  | 2021
Stock Options |  | $ | 435 |  |  | $ | 501 |  |  | $ | 832 |
RSUs |  | 2,223 |  |  | 2,299 |  |  | 1,802 |
Total stock-based compensation expense |  | $ | 2,658 |  |  | $ | 2,800 |  |  | $ | 2,634 |
Schedule of Stock Option Activity | The following summarizes stock options as of and for the year ended December 31, 2023:
|  | 2023 |  |
|  | Number of Shares |  | Weighted-Average Exercise Price |  |  |  |
Outstanding at beginning of year |  | 942,543 |  |  | $ | 16.53 |  |  |  |  |
Granted |  | 73,532 |  |  | 20.94 |  |  |  |  |
Exercised |  | 107,500 |  |  | 15.96 |  |  |  |  |
Forfeited |  | 12,850 |  |  | 25.25 |  |  |  |  |
Expired |  | 4,980 |  |  | 22.43 |  |  |  |  |
Outstanding at end of year |  | 890,745 |  |  | $ | 16.80 |  |  |  |  |
Exercisable at end of year |  | 757,219 |  |  | $ | 15.79 |  |  |  |  |
Weighted-average fair value of options granted during 2023 |  |  |  | $ | 7.17 |  |  |  |  |
Weighted-average fair value of options granted during 2022 |  |  |  | $ | 14.94 |  |  |  |  |
Weighted-average fair value of options granted during 2021 |  |  |  | $ | 10.61 |  |  |  |  |
Schedule of Stock Option Valuation Assumptions | The fair value for the options was estimated at the grant date using a Black-Scholes option-pricing model with the following inputs:
|  | 2023 |  | 2022 |  | 2021
Average risk-free interest rates |  | 4.06 | % |  | 2.23 | % |  | 1.27 | %
Weighted-average life (years) |  | 7 |  | 7 |  | 7
Expected volatility |  | 42.4 | % |  | 41.2 | % |  | 41.2 | %
Expected dividend yield |  | 3.07 | % |  | 1.58 | % |  | 1.08 | %
Schedule of Outstanding and Exercisable Options Information | The following summarizes information related to the total outstanding and exercisable stock options at December 31, 2023:
Options Outstanding |  | Options Exercisable
Total Options |  | Weighted-Average Exercise Price |  | Intrinsic Value (in millions) |  | Weighted-Average Remaining Life |  | Total Options |  | Weighted-Average Exercise Price |  | Intrinsic Value (in millions) |  | Weighted-Average Remaining Life
890,745 |  | $16.80 |  | $5.6 |  | 4.07 |  | 757,219 |  | $15.79 |  | $5.3 |  | 3.36
Schedule of RSUs | A summary of the activity for our RSUs for the period indicated is presented in the following table:
|  | 2023 |  |
|  | Shares |  | Weighted-Average Grant Date Fair Value |  |  |  |
Balance at beginning of year |  | 247,557 |  |  | $ | 26.39 |  |  |  |  |
Granted |  | 224,364 |  |  | 17.42 |  |  |  |  |
Vested |  | (130,402) |  |  | 20.28 |  |  |  |  |
Forfeited |  | (57,864) |  |  | 18.58 |  |  |  |  |
Balance at end of year |  | 283,655 |  |  | $ | 23.44 |  |  |  |  |
Weighted-average fair value of RSUs granted during 2023 |  |  |  | $ | 17.42 |  |  |  |  |
Weighted-average fair value of RSUs granted during 2022 |  |  |  | $ | 38.04 |  |  |  |  |
Weighted-average fair value of RSUs granted during 2021 |  |  |  | $ | 40.95 |  |  |  |  |

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