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Stock-Based Compensation - Stock Option Activity (Details) - Employees
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2024
USD ($)
$ / shares
shares
Number of options  
Outstanding at the beginning of the period (in shares) | shares 9,526,883
Granted (in shares) | shares 0
Exercised (in shares) | shares (532,089)
Forfeited (in shares) | shares (573,537)
Expired (in shares) | shares (364,341)
Outstanding at the end of the period (in shares) | shares 8,056,916
Exercisable options at the end of the period (in shares) | shares 7,030,893
Weighted average exercise price  
Outstanding at the beginning of the period (in dollars per share) | $ / shares $ 1.27
Granted (in dollars per share) | $ / shares 0
Exercised (in dollars per share) | $ / shares 0.59
Forfeited (in dollars per share) | $ / shares 1.81
Expired (in dollars per share) | $ / shares 1.98
Outstanding at the end of the period (in dollars per share) | $ / shares 1.24
Exercisable exercise price at the end of the period (in dollars per share) | $ / shares $ 1.20
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures  
Outstanding option, weighted average remaining contractual term (in years) 5 years 4 months 24 days
Outstanding exercisable, weighted average remaining contractual term (in years) 5 years
Outstanding intrinsic value at the end of the period | $ $ 6,031
Outstanding exercisable intrinsic value at the end of the period | $ $ 5,545