Subsequent Event - Additional Information (Details) $ in Thousands	Jul. 08, 2025 USD ($) Lease	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)
Subsequent Event [Line Items]
Restricted cash		$ 1,993	$ 1,993
Watertown Lease [Member] | Letter of Credit [Member]
Subsequent Event [Line Items]
Restricted cash					$ 300
Watertown Lease [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Number of leases | Lease	2
Watertown Lease [Member] | Subsequent Event [Member] | Letter of Credit [Member]
Subsequent Event [Line Items]
Restricted cash	$ 300
Waltham Sublease [Member] | Letter of Credit [Member]
Subsequent Event [Line Items]
Restricted cash				$ 600
Waltham Sublease [Member] | Subsequent Event [Member] | Letter of Credit [Member]
Subsequent Event [Line Items]
Restricted cash	$ 600