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Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2023
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 September 30,For the Nine Months Ended September 30,
 2023202220232022
Risk-free interest rate4.3%2.9%4.0%1.6%
Expected life of options — years3.762.713.803.52
Expected stock price volatility42%34%32%32%
Expected dividend yield2.0%1.3%2.0%1.3%
Schedule of Stock Options Activity Under Share-based Payment Plans
The following table summarizes stock option activity under our share-based plans for the nine months ended September 30, 2023:
 OptionsWeighted-Average
Exercise Price
Per Share
Weighted-Average
Remaining
Contractual Term (Years)
Aggregate
Intrinsic
Value
Outstanding as of December 31, 2022134 $5.55 
Granted$4.92 
Exercised(9)$4.59 
Forfeited, cancelled or expired(7)$5.86 
Outstanding as of September 30, 2023127 $5.55 5.02$20 
Exercisable as of September 30, 202384 $5.42 4.35$19 
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 nine months ended September 30, 2023:
 SharesGrant Date
Fair Value Per Share
Nonvested as of December 31, 202285 $6.38 
Granted45 $4.72 
Vested(26)$6.39 
Forfeited(11)$6.18 
Nonvested as of September 30, 202393 $5.64