Loss per share - Schedule of diluted net loss per share attributable to common stockholders (Details) - shares	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total anti-dilutive common stock equivalents (in shares)	17,122,943	13,295,491
Options to purchase common stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total anti-dilutive common stock equivalents (in shares)	14,164,955	11,645,100
Restricted stock units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total anti-dilutive common stock equivalents (in shares)	2,957,988	1,650,391