Net Loss per Share - Schedule of Outstanding Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share Attributable to Common Stockholders (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from calculation of diluted net loss per share attributable to common stockholders	12,301,875	44,897,617	12,301,875	44,897,617
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from calculation of diluted net loss per share attributable to common stockholders	12,301,875	8,437,197	12,301,875	8,437,197
Unvested Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from calculation of diluted net loss per share attributable to common stockholders	0	187,945	0	187,945
Series A-1 Preferred Stock (as Converted to Common Stock)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from calculation of diluted net loss per share attributable to common stockholders	0	12,736,014	0	12,736,014
Series A-2 Preferred Stock (as Converted to Common Stock)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from calculation of diluted net loss per share attributable to common stockholders	0	8,387,331	0	8,387,331
Series B Preferred Stock As Converted To Common Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from calculation of diluted net loss per share attributable to common stockholders	0	15,149,130	0	15,149,130