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v3.23.2

Stock-based Compensation - Stock Option (Details) - USD ($) $ / shares in Units, $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Stock-based compensation expense |  |
Options outstanding to purchase of common stock | 2,805,840 |
Maximum |  |
Stock-based compensation expense |  |
Expiration period | 10 years |
Stock options |  |
Stock-based compensation expense |  |
Shares available for future issuance | 670,634 |
Shares |  |
Outstanding at the beginning of the year (in shares) | 2,857,054 |
Options granted (in shares) | 5,205 |
Options exercised (in shares) | (270,609) |
Options cancelled (in shares) | (8,110) |
Outstanding at the end of the year (in shares) | 2,583,540 |
Exercisable at the end of the year (in shares) | 1,719,944 |
Weighted average exercise price |  |
Outstanding at the beginning of the year (in dollars per share) | $ 81.78 |
Options granted (in dollars per share) | 283.08 |
Options exercised (in dollars per share) | 89.26 |
Options cancelled (in dollars per share) | 84.12 |
Outstanding at the end of the year (in dollars per share) | 81.4 |
Exercisable at the end of the year (in dollars per share) | $ 76.62 |
Additional disclosures |  |
Total intrinsic value of options exercised | $ 48.9 | $ 0.0
Proceeds resulting from exercise of stock options | $ 21.8 | $ 0.0
Weighted-average grant date fair value of options (in dollars per share) | $ 219.02 | $ 55.84

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