Net Income (Loss) Per Share Attributable to Common shareholders - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	1,617,279	212,430,597	27,062,865	212,430,597
Series A Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	0	121,448,823	0	121,448,823
Series B Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	0	7,407,408	0	7,407,408
Series C Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	0	29,050,209	0	29,050,209
Series D Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	0	25,629,071	0	25,629,071
Outstanding warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	0	6,273,609	0	6,273,609
Unvested RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	74,786	695,625	4,368,855	695,625
Outstanding stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	1,519,047	21,263,852	22,670,564	21,263,852
Unvested shares subject to repurchase
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of diluted net loss per share attributable to common shareholders (in shares)	23,446	662,000	23,446	662,000