Commitments and Contingencies - Additional Information (Details) $ in Thousands	1 Months Ended	9 Months Ended
	Jun. 30, 2022 USD ($) ft²	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Lessee Lease Description [Line Items]
Accrued expenses and other current liabilities		$ 7,991	$ 13,240
Other non-current liabilities		7,876	$ 9,896
Obligation to pay base rent		$ 124,822
Weighted-average remaining lease term		7 years 3 months 18 days
Weighted-average incremental borrowing rate		10.90%
Bothell, Washington
Lessee Lease Description [Line Items]
Square feet | ft²	79,565
Option to extend the lease term		with the option to extend the lease for up to three additional five-year terms.
Reimbursement of tenant improvements	$ 19,900
Optional additional tenant improvement allowance	$ 8,000
Optional additional tenant improvement allowance, interest rate	6.50%
Accrued expenses and other current liabilities		$ 400
Other non-current liabilities		$ 7,100
Obligation to pay base rent	$ 68,800
Letter of credit	$ 1,600