Net Loss Per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Numerator
Allocation of losses	$ (69,005)	$ (44,773)
Denominator
Net loss per share, diluted (in dollars per share)	$ (0.74)
Series A Preferred Stock
Numerator
Allocation of losses	$ (10,264)	$ (8,288)
Denominator
Weighted-average shares outstanding (in shares)	346,045	346,045
Net loss per share, basic (in dollars per share)	$ (29.66)	$ (23.95)
Net loss per share, diluted (in dollars per share)	$ (29.66)	$ (23.95)
Series B Preferred Stock
Numerator
Allocation of losses	$ (494)	$ (399)
Denominator
Weighted-average shares outstanding (in shares)	16,667	16,667
Net loss per share, basic (in dollars per share)	$ (29.66)	$ (23.95)
Net loss per share, diluted (in dollars per share)	$ (29.66)	$ (23.95)
Common Stock
Numerator
Allocation of losses	$ (58,247)	$ (36,086)
Denominator
Weighted-average shares outstanding (in shares)	78,548,709	60,265,932
Net loss per share, basic (in dollars per share)	$ (0.74)	$ (0.60)
Net loss per share, diluted (in dollars per share)	$ (0.74)	$ (0.60)