Net Loss Per Share Attributable to Common Stockholders - Potential Dilutive Securities Excluded From Computation Of Diluted Net Loss Per Share Attributable To Common Stockholders (Parenthetical) (Details) - 2024 Notes - $ / shares	Sep. 30, 2025	Sep. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Conversion price per share	$ 6.2
Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Conversion price per share		$ 6.20