Stock and Incentive Compensation Plans (Tables)
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6 Months Ended |
Jun. 30, 2026 |
| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Black-Scholes Option Pricing Model |
The table below includes the weighted-average assumptions used to calculate the grant date fair value of the ESPP rights for the periods indicated using the Black-Scholes option pricing model: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | | | Expected term (in years) | 1.00 | | 1.00 | | 1.00 | | 1.00 | | | | Dividend yield | 1.91 | % | | 1.91 | % | | 1.85 | % | | 1.95 | % | | | | Risk-free interest rate | 3.84 | | | 4.60 | | | 3.89 | | | 4.77 | | | | | Expected volatility | 29.37 | | | 30.13 | | | 29.49 | | | 30.26 | | | |
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| Schedule of ESPP Shares Purchased |
The ESPP shares purchased are as follows for the dates indicated: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | | | ESPP shares purchased | 50,175 | | | 58,568 | | | 50,175 | | | 58,568 | | | | | | | | | | | | | | | Shares available for issuance under the ESPP | 762,297 | | | 812,472 | | | 762,297 | | | 812,472 | | | |
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| Schedule of Monte Carlo Simulation Model Inputs |
| | | | | | | | | Simulation Inputs | Year Ended December 31, 2022 | | Grant date | December 13, 2022 | | Performance period | seven years | | Stock price | $ | 36.87 | | Expected volatility (1) | 33.0 | % | Risk-free rate (2) | 3.5 | | __________________________ (1)The expected volatility was determined based on the historical volatilities of the Company and the specified peer group. (2)The risk-free interest rate for the performance period was derived from the seven-year continuous U.S. Treasury Yield constant maturity curve on the valuation date. |
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| Schedule of Time-Vested Award Activity |
The following table summarizes the Company’s award activity: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, | | 2026 | | 2025 | | | | Shares | | Weighted Average Grant-Date Fair Value | | Shares | | Weighted Average Grant-Date Fair Value | | | | | | Nonvested RSAs, January 1, | 13,284 | | | $ | 33.89 | | | 20,415 | | | $ | 33.06 | | | | | | | Granted RSAs | 10,458 | | | 47.35 | | | 14,760 | | | 33.89 | | | | | | | Vested RSAs | (13,284) | | | 33.89 | | | (20,415) | | | 33.06 | | | | | | | | | | | | | | | | | | Nonvested RSAs, June 30, | 10,458 | | | 47.35 | | | 14,760 | | | 33.89 | | | | | | | | | | | | | | | | | | | Nonvested RSUs, January 1, | 337,631 | | | $ | 35.97 | | | 352,002 | | | $ | 35.45 | | | | | | | Granted RSUs | 105,470 | | | 45.06 | | | 103,669 | | | 37.41 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Vested RSUs | (102,630) | | | 35.01 | | | (85,387) | | | 35.07 | | | | | | | Forfeited RSUs | (4,985) | | | 38.22 | | | (6,865) | | | 33.28 | | | | | | Nonvested RSUs, June 30, | 335,486 | | | 39.09 | | | 363,419 | | | 36.14 | | | | | | | | | | | | | | | | | | | Nonvested PSUs, January 1, | 293,918 | | | $ | 32.31 | | | 265,197 | | | $ | 32.07 | | | | | | | Granted PSUs | 59,047 | | | 43.97 | | | 55,650 | | | 39.50 | | | | | | Vested PSUs(1) | (25,947) | | | 31.91 | | | (17,191) | | | 44.77 | | | | | | Forfeited PSUs(2) | (43,882) | | | 39.56 | | | (9,738) | | | 44.77 | | | | | | Nonvested PSUs, June 30, | 283,136 | | | 33.66 | | | 293,918 | | | 32.31 | | | | | | __________________________(1)PSUs vested during the six months ended June 30, 2026, represent the first tranche of the CEO's one-time PSU award discussed above. (2)PSUs forfeited during the six months ended June 30, 2026 and 2025, includes forfeiture of incremental shares upon final measurement of performance metrics.
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| Schedule of Share-Based Compensation Cost Charged to Income |
Share-based compensation cost charged to income for the three and six months ended June 30, 2026 and 2025, is presented below. There was no stock option expense for any of the periods shown. | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | (Dollars in thousands) | 2026 | | 2025 | | 2026 | | 2025 | | | | RSA & RSU | $ | 1,517 | | | $ | 1,186 | | | $ | 2,902 | | | $ | 2,349 | | | | | PSU | 869 | | | 750 | | | 1,785 | | | 1,289 | | | | | ESPP | 130 | | | 131 | | | 233 | | | 244 | | | | | Total stock compensation expense | $ | 2,516 | | | $ | 2,067 | | | $ | 4,920 | | | $ | 3,882 | | | | | Related tax benefits recognized in net income | $ | 528 | | | $ | 434 | | | $ | 1,033 | | | $ | 815 | | | |
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| Schedule of Stock Option Activity |
The table below summarizes the Company’s option activity: | | | | | | | | | | | | | | | | | | | | | | | | | (Dollars in thousands, except per share amounts) | Number of Shares | | Weighted Average Exercise Price | | Weighted Average Remaining Contractual Term (in years) | | Aggregate Intrinsic Value | | Six Months Ended June 30, 2026 | | | | | | | | Outstanding at January 1, 2026 | 184,670 | | | $ | 33.41 | | | 2.97 | | $ | 781 | | | | | | | | | | | Exercised | (133,376) | | | 33.21 | | | — | | | 1,640 | | | Expired and forfeited | (331) | | | 37.01 | | | — | | | — | | Outstanding and exercisable at June 30, 2026 | 50,963 | | | 33.90 | | | 2.91 | | 879 | | | | | | | | | | | Six Months Ended June 30, 2025 | | | | | | | | Outstanding at January 1, 2025 | 225,834 | | | $ | 32.24 | | | 3.72 | | $ | 614 | | | Exercised | (20,657) | | | 28.99 | | | — | | | 166 | | | Expired and forfeited | (1,324) | | | 37.39 | | | — | | | — | | Outstanding and exercisable at June 30, 2025 | 203,853 | | | 32.54 | | | 3.29 | | 786 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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