Leases - Additional Information (Details) $ in Thousands		1 Months Ended	12 Months Ended
	Dec. 20, 2021 USD ($) ft²	Oct. 31, 2019 ft²	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2019 USD ($)
Lessee Lease Description [Line Items]
Operating lease liabilities, net of current portion			$ 77,028	$ 12,146
Undiscounted Future Lease Payments			4,000
Land, Buildings and Improvements [Member]
Lessee Lease Description [Line Items]
Operating lease liabilities, net of current portion			48,900
Operating Lease, Payments			48,900
landlord [Member]
Lessee Lease Description [Line Items]
Tenant Improvement Allowance			16,100
Property And Equipment Improvements			11,100
Two Thousand Nineteen Lease [Member] | Noncancelable Facility Lease Agreement | Restricted Cash | Letter of Credit
Lessee Lease Description [Line Items]
Security deposit			1,300	1,600
Watertown, Massachusetts
Lessee Lease Description [Line Items]
Lease term	134 months
Watertown, Massachusetts | Noncancelable Facility Lease Agreement
Lessee Lease Description [Line Items]
Area of office space | ft²	100,624	34,522
Lease commencement date	Feb. 29, 2024
Lease term		120 months
Lease expiration date		Mar. 31, 2030
Lease additional term	5 years	5 years
Tenant incentive allowance receivable	$ 20,100				$ 5,500
Base Rent	$ 800
Rent paid			800	800
Annual increase percentage of rent	3.00%
Watertown, Massachusetts | Two Thousand Twenty One Lease [Member] | Noncancelable Facility Lease Agreement | Restricted Cash | Letter of Credit
Lessee Lease Description [Line Items]
Security deposit			$ 4,500	$ 4,500