Stock-Based Compensation - Schedule of Stock Option Activity (Details) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares
Number of Options
Beginning balance, number of options (in shares) | shares	5,342,909
Granted (in shares) | shares	2,245,719
Exercised (in shares) | shares	(326,202)
Forfeited (in shares) | shares	(534,345)
Expired (in shares) | shares	(2,865)
Ending balance, number of options (in shares) | shares	6,725,216	5,342,909
Weighted- Average Exercise Price
Beginning balance, weighted-average exercise price (in USD per share) | $ / shares	$ 6.69
Granted (in USD per share) | $ / shares	13.69
Exercised (in USD per share) | $ / shares	5.92
Forfeited (in USD per share) | $ / shares	9.55
Expired (in USD per share) | $ / shares	26.87
Ending balance, weighted-average exercise price (in USD per share) | $ / shares	$ 8.83	$ 6.69
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Exercisable (in shares) | shares	2,941,734
Exercisable, Weighted-Average Exercise Price (in dollars per share) | $ / shares	$ 8.33
Remaining Contractual Term (Years)	7 years 10 months 13 days	8 years 3 days
Remaining contractual term, exercisable (years)	6 years 7 months 13 days
Aggregate Intrinsic Value ($, in thousands) | $	$ 69,596	$ 43,120
Aggregate intrinsic value, exercisable | $	$ 33,111