Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Jun. 30, 2021	May 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Commitments and Contingencies [Line Items]
Operating lease description			In June 2021, the Company entered into an amendment to the May 2019 Lease Agreement (the “June 2021 Amended Lease Agreement”). Under the terms of the June 2021 Amended Lease Agreement, the Company will expand its current premises in Boston, Massachusetts by an additional 5,026 square feet, bringing the total office space to 9,236 square feet.
Operating lease, payments			$ 249
Operating lease, payments			$ 791
May 2019 Lease Agreement
Commitments and Contingencies [Line Items]
Operating lease description			In May 2019, the Company entered into a new operating lease agreement for office space totaling 4,210 square feet, located in Boston, Massachusetts with a 62-month term (the “May 2019 Lease Agreement).
Operating lease term of contract		62 months
Operating lease, payments		$ 300
Security deposit					$ 100
Rent expense			$ 300	$ 200
Additional security deposit	$ 100
June 2021 Amended Lease Agreement
Commitments and Contingencies [Line Items]
Operating lease term of contract	12 months
Security deposit	$ 200
Rent expense	$ 600
Lease expiration date	Mar. 31, 2027
Operating lease renewal term	5 years
Operating lease option to extend	The Company has the option to extend the term for one additional five-year period upon the Company’s written notice to the landlord at least 12 months and no more than 15 months in advance of the extension period.
Operating lease, payments	$ 3,200