Net Loss per Share - Basic and Diluted Net Loss Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Loss Allocation, Basic	$ (21,262)		$ (15,148)
Loss Allocation, Diluted	$ (21,262)		$ (15,148)
Weighted Average Shares Outstanding, Basic (in shares)	30,397,886		771,851
Weighted Average Shares Outstanding, Diluted (in shares)	30,397,886		771,851
Loss Per Share, Basic (in dollars per share)	$ (0.70)		$ (19.63)
Loss Per Share, Diluted (in dollars per share)	$ (0.70)		$ (19.63)
Loss Allocation, Basic	$ (2,021)
Loss Allocation, Diluted	$ (2,021)
Weighted Average Shares Outstanding, Basic (in shares)	2,890		0
Weighted Average Shares Outstanding, Diluted (in shares)	2,890		0
Loss Per Share, Basic (in dollars per share)	$ (699.31)		$ 0
Loss Per Share, Diluted (in dollars per share)	$ (699.31)		$ 0
Net loss	$ (23,283)	$ (23,300)	$ (15,148)
Non-Voting Preferred Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted-average number of shares of as-converted (in shares)	2,890,000