Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) Segment	Sep. 09, 2024 USD ($)	Dec. 31, 2023 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | Segment	1
Allowance for losses on available-for-sale debt securities	$ 0		$ 0
Sanofi Agreement
Summary Of Significant Accounting Policies [Line Items]
Milestone payment in escrow		$ 75,000,000.0
Minimum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life (in years)	3 years
Finite-lived intangible asset, estimated useful life (in years)	7 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life (in years)	5 years
Finite-lived intangible asset, estimated useful life (in years)	15 years