v3.22.4
Stock-Based Compensation and Other Employee Benefits (Tables)
 12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Options Activity
The following table summarizes the collective activity under the plans:
Number of OptionsWeighted-Average Exercise PriceWeighted-Average Remaining Contractual TermAggregate Intrinsic Value
Outstanding at December 31, 20213,532 30.336 
Granted1,605 72.691 
Exercised(196)20.186 
Forfeited(370)19.503 
Expired(38)22.974 
Outstanding at December 31, 20224,533 $45.799 7.6 years$88,164 
Options exercisable at December 31, 20221,629 $17.511 5.7 years$66,600 
Expected to vest at December 31, 20222,904 $61.673 8.6 years$21,564 
 
The following table sets forth additional disclosures about our plans:
Year Ended December 31,
202220212020
Aggregate intrinsic value of options exercised$9,775 $33,494 $19,762 
Cash received from stock option exercises$3,954 $5,563 $8,995 
Weighted-average fair value of stock options granted$37.87 $28.94 $11.52 
Stock-based compensation expense (1)
$15,046 $8,716 $1,933 
Income tax benefit from stock-based compensation expense$659 $4,932 $2,826 
(1) Included in selling, general, and administrative expenses in the accompanying consolidated statements of income and includes expense in connection with our ESPP and RSUs.
Schedule of Stock Options Valuation Assumptions
The following table sets forth the significant assumptions used in the model:
 Year Ended December 31,
 20222021 2020
Expected dividend yield—%—%—%
Risk-free interest rate
1.69% -3.82%
0.92%-1.46%
0.35%-0.76%
Expected volatility
51%-53%
48%-50%
43%-48%
Expected life6.5 years6.5 years6.5 years
Schedule of Restricted Stock Units
The following table summarizes the activity under the plan:
Number of OptionsWeighted-Average Grant Date Fair Value Per Share
Outstanding at December 31, 2021— $— 
Granted13 52.94 
Outstanding at December 31, 202213 $52.94 
Schedule of Defined Contribution Plan Disclosures
The following table sets forth our matching contributions under the plans:
Year Ended December 31,
202220212020
401(k) plan$6,974 $6,189 $5,650 
Group Personal Pension Plan290 252 202 
Registered Retirement Savings Plan406 405 348 
Total matching contributions$7,670 $6,846 $6,200