Subsequent Events - Additional Information (Details) - Subsequent Event $ in Thousands	Jul. 19, 2021 USD ($)
Subsequent Event [Line Items]
Location of the office space	Boston, Massachusetts
Expected commencement date of sublease	Jan. 01, 2022
Expected end date of sublease	Dec. 31, 2026
Sublease monthly base rent	$ 66
Sublease monthly base rent, upward adjustment	2.00%
Leasehold improvement allowance	$ 877