Leases - Narrative (Details) $ in Thousands	1 Months Ended
	Mar. 31, 2022 renewalOption	Nov. 30, 2021 USD ($)	Apr. 30, 2022 USD ($)
Assembly Row Lease
Lessee, Lease, Description [Line Items]
Number of lease renewal options | renewalOption	2
Lease renewal term	5 years
Collateralized letter of credit		$ 2,800
50 Binney Street Sublease | Subsequent Event
Lessee, Lease, Description [Line Items]
Upfront payment for purchase of furniture and equipment			$ 7,500
Payment for purchase of furniture and equipment, upon lease commencement			$ 7,250