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Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Schedule of Fair Value of Options Granted
The following table summarizes the weighted-average assumptions used to compute the fair value of options granted to employees, members of our board of directors and non-employees:

 For the Three Months Ended June 30,For the Six Months Ended June 30,
 2024202320242023
Risk-free interest rate4.7%3.6%4.4%4.0%
Expected life of options — years3.753.803.763.80
Expected stock price volatility41%34%40%31%
Expected dividend yield3.9%2.6%2.8%2.0%
Schedule of Stock Options Activity Under Share-based Payment Plans
The following table summarizes stock option activity under our share-based plans for the six months ended June 30, 2024:
 OptionsWeighted-Average
Exercise Price
Per Share
Weighted-Average
Remaining
Contractual Term (Years)
Aggregate
Intrinsic
Value
Outstanding as of December 31, 2023122 $5.60 
Granted29 $4.19 
Exercised(1)$3.56 
Forfeited, cancelled or expired(6)$5.75 
Outstanding as of June 30, 2024144 $5.33 5.41$
Exercisable as of June 30, 202492 $5.57 4.14$— 
Schedule of Restricted Stock Unit and Stock Award Activity
The following table summarizes the restricted stock unit, including PRSU, activity under our share-based plans for the six months ended June 30, 2024:
 SharesGrant Date
Fair Value Per Share
Nonvested as of December 31, 202389 $5.59 
Granted15 $4.30 
Vested(12)$6.06 
Forfeited(7)$5.54 
Nonvested as of June 30, 202485 $5.27