Leases	9 Months Ended
Sep. 30, 2024
Leases [Abstract]
Leases	9. Leases The Company leases approximately 230,000 square feet of real estate, including laboratory and office space in Cambridge, Massachusetts and the surrounding areas. The Company’s leases have remaining terms ranging from one to approximately nine years. Certain leases include options to renew, exercised at the Company’s sole discretion, with varying renewal terms that can extend the lease term for an additional three to five years. All of the Company’s leases qualify as operating leases. Separately, the Company entered into an agreement in February 2022, later amended in June 2023, to lease approximately 140,000 square feet of office, general laboratory and planned good manufacturing practice (“GMP”) manufacturing space at 840 Winter Street in Waltham, Massachusetts (the “840 Winter Lease”). As of September 30, 2024, the Company had not taken control of the premises and therefore there are no right of use assets or liabilities recorded related to the 840 Winter Lease under ASC 842, Leases (Topic 842) (“ASC 842”). The 840 Winter Lease is expected to commence in the fourth quarter of 2024.

Leases

9 Months Ended

Sep. 30, 2024

9. Leases

The Company leases approximately 230,000 square feet of real estate, including laboratory and office space in Cambridge, Massachusetts and the surrounding areas. The Company’s leases have remaining terms ranging from one to approximately nine years. Certain leases include options to renew, exercised at the Company’s sole discretion, with varying renewal terms that can extend the lease term for an additional three to five years. All of the Company’s leases qualify as operating leases.

Separately, the Company entered into an agreement in February 2022, later amended in June 2023, to lease approximately 140,000 square feet of office, general laboratory and planned good manufacturing practice (“GMP”) manufacturing space at 840 Winter Street in Waltham, Massachusetts (the “840 Winter Lease”). As of September 30, 2024, the Company had not taken control of the premises and therefore there are no right of use assets or liabilities recorded related to the 840 Winter Lease under ASC 842, Leases (Topic 842) (“ASC 842”). The 840 Winter Lease is expected to commence in the fourth quarter of 2024.