v3.25.2
Stock-Based Compensation
6 Months Ended
Jun. 30, 2025
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Stock-Based Compensation Stock-Based Compensation
The Company issues stock-based compensation in the form of nonvested restricted stock and stock appreciation rights (SARs). Historically, most of the awards have been issued during the first quarter of each year. The stock-based compensation expense charged against income was $4.1 million and $4.2 million in the three months ended June 30, 2025 and 2024 respectively, and $8.5 million in the six months ended both June 30, 2025 and 2024, respectively.

Nonvested stock awards granted generally vest in 4 to 7 years and contain restrictions as to transferability, sale, pledging, or assigning, among others, prior to the end of the vesting period. Dividend and voting rights are conferred upon grant. A summary of the status of the Company’s nonvested share awards as of June 30, 2025, and changes during the six month period then ended, is presented below.

 
 
 

Shares Weighted Average Grant Date Fair Value
Nonvested at January 1, 20251,252,653 $55.41
Granted287,040 65.29
Vested(241,921)55.05
Forfeited(28,060)57.18
Nonvested at June 30, 20251,269,712 $57.68

SARs are granted with exercise prices equal to the market price of the Company’s stock at the date of grant. SARs vest ratably over 4 years of continuous service and have contractual terms of 10 years. All SARs must be settled in stock under provisions of the plan. In determining compensation cost, the Black-Scholes option-pricing model is used to estimate the fair value of SARs on date of grant. The current year per share average fair value and the model assumptions are shown in the table below.

Weighted per share average fair value at grant date$19.72 
Assumptions:
Dividend yield
1.7%
Volatility
29.6%
Risk-free interest rate
4.1%
Expected term
6.0 years

A summary of SAR activity during the first six months of 2025 is presented below.

 
 
 
 
(Dollars in thousands, except per share data)
Rights
Weighted Average Exercise Price
Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value
Outstanding at January 1, 2025841,962 $48.90 
Granted38,770 64.93 
Forfeited(2,200)54.70 
Expired(1,518)54.82 
Exercised(54,848)39.13 
Outstanding at June 30, 2025
822,166 $50.28 5.2 years$9,881