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Leases | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Leases | 14. Leases On December 11, 2020, the Company entered into an Agreement for Termination of Lease and Voluntary Surrender of Premises (Lease Termination Agreement) with ARE-MA Region No. 20, LLC (Landlord) for the Company’s office and laboratory space in Woburn, Massachusetts. The Lease Termination Agreement provides that the Lease Agreement, dated as of August 14, 2016, by and between the Company and Landlord (as the same may have been amended, the Lease) will terminate on March 31, 2021, unless the Company elects to extend the term of the Lease. The Company exercised the option to extend the lease until May 31, 2021. On January 7, 2020 the Company entered into an indenture of lease (Lexington Lease) with HCP/KING 75 Hayden LLC, for the lease of approximately 61,307 square feet of rentable area in Lexington, Massachusetts or (Lexington Premises). The Lexington Lease commenced on December 11, 2020. In the second quarter of 2021, the Company began using the Lexington Premises as its principal executive offices and laboratory for research and development. The term of the Lexington Lease is expected to end on May 31, 2031. The Company also has the option to extend the Initial Term for two additional terms of five years each. The Company’s rent expense for the years ended December 31, 2022 and 2021 was $4,802 and $4,960, respectively.
Other information |  | December 31, 2022 |
Weighted-average remaining operating lease term |  |  | 8.4 years |
Weighted-average discount rate |  |  | 8.5 | %
The table below reconciles the undiscounted cash flows to the operating lease liability recorded on the consolidated balance sheet as of December 31, 2022.
2023 |  |  | 4,273 |
2024 |  |  | 4,402 |
2025 |  |  | 4,534 |
2026 |  |  | 4,670 |
2027 |  |  | 4,810 |
Thereafter |  |  | 17,530 |
Total minimum lease payments |  |  | 40,219 |
Less: amount of lease payments representing interest |  |  | (11,437 | )
Present value of future lease payments |  |  | 28,782 |
Less: current lease liabilities |  |  | (2,021 | )
Noncurrent lease liabilities |  | $ | 26,761 |
Future aggregate minimum payments under the noncancelable operating lease as of December 31, 2022 are as follows:
2023 |  | $ | 4,273 |
2024 |  |  | 4,402 |
2025 |  |  | 4,534 |
2026 |  |  | 4,670 |
2027 and beyond |  |  | 22,340 |
Total minimum lease payments |  | $ | 40,219 |

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//842-20/tableOfContent + Details
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