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v3.23.3

Share-Based Compensation - Stock Options (Details) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2023
Aggregate Intrinsic Value |
Exercisable at the end of the period | $ 1,019,000
Additional disclosures |
Intrinsic value of stock option shares exercised | $ 573,000
2004 plan |
Additional disclosures |
Granted (in shares) | 0
2012 plan |
Additional disclosures |
Granted (in shares) | 0
2019 plan |
Additional disclosures |
Granted (in shares) | 0
2020 plan |
Share-Based Compensation |
Number of shares registered | 2,072,245
Employee Stock Option [Member] |
Number of shares |
Outstanding at the beginning of the period (in shares) | 161,832
Exercised (in shares) | (22,651)
Expired (in shares) | (5,491)
Outstanding at the end of the period (in shares) | 133,690
Exercisable at the end of the period (in shares) | 133,690
Weighted-Average Exercise Price |
Outstanding at the beginning of the period (in dollars per share) | $ 66.20
Exercised (in dollars per share) | 52.50
Expired (in dollars per share) | 32.25
Outstanding at the end of the period (in dollars per share) | 69.91
Exercisable at the end of the period (in dollars per share) | $ 69.91
Weighted-Average Remaining Contractual Life |
Outstanding at the end of the period | 2 years 8 months 1 day
Exercisable at the end of the period | 2 years 8 months 1 day
Aggregate Intrinsic Value |
Outstanding at the end of the period | $ 1,019,000
Additional disclosures |
Granted (in shares) | 0
Total unrecognized compensation cost related to non vested stock option grants | $ 0
Incentive stock options | Maximum |
Share-Based Compensation |
Vesting period | 4 years
Incentive stock options | Plan 2004 and 2012 |
Share-Based Compensation |
Vesting percentage | 25.00%
Expiration period | 10 years

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