Common Stock - Schedule of Common Stock Reserved for Future Issuance (Details) - shares	Sep. 30, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Shares reserved for future issuance	12,407,880	29,619,628
Redeemable Convertible Preferred Stock
Class of Stock [Line Items]
Shares reserved for future issuance		25,171,265
Outstanding Stock Option Awards
Class of Stock [Line Items]
Shares reserved for future issuance	7,112,778	3,960,713
ESPP Shares Available for Future Grants
Class of Stock [Line Items]
Shares reserved for future issuance	422,000
Unvested RSUs
Class of Stock [Line Items]
Shares reserved for future issuance	544,851
Shares Available for Future Grants
Class of Stock [Line Items]
Shares reserved for future issuance	4,328,251	487,650