Stock-Based Compensation - Schedule of stock option activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of Options, Exercised	(222,939)
Outstanding Common Stock Options [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Beginning Balance	9,035,498
Granted	3,228,045
Number of Options, Exercised	(97,163)
Forfeited and cancelled	(102,251)
Ending Balance	12,064,129	9,035,498
Outstanding as of March 31, 2026	2,226,329
Beginning Balance	$ 7.79
Granted	11.19
Exercised	4.28
Forfeited and cancelled	8.68
Ending Balance	8.72	$ 7.79
Exercisable as of March 31, 2026	$ 6.26
Weighted Average Remaining Contractual Term (Years) , Balance	9 years 2 months 12 days	9 years
Exercisable as of March 31, 2026	8 years 7 months 6 days
Beginning Balance	$ 42,771
Ending Balance	15,908	$ 42,771
Exercisable as of March 31, 2026	$ 6,936