Leases - Additional Information (Details)
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12 Months Ended |
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Nov. 15, 2021
USD ($)
Renewal
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Jul. 01, 2021 |
Apr. 27, 2020
USD ($)
ft²
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Aug. 26, 2019 |
Mar. 22, 2019
USD ($)
ft²
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Mar. 05, 2019
USD ($)
ft²
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Dec. 31, 2021
USD ($)
ft²
Office
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Dec. 31, 2020
USD ($)
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Dec. 31, 2019
USD ($)
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| Lessee Lease Description [Line Items] |
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| Lease expiration year |
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2029
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| Number of location | Office |
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2
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| Operating right-of-use assets obtained in exchange for operating lease liabilities |
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$ 1,034,000
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$ 23,186,000
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| Sublease income |
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$ 1,850,000
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861,000
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| 500 Technology Square |
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| Lessee Lease Description [Line Items] |
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| Area of lease | ft² |
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19,823
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| Lease, base rent per year |
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$ 1,500,000
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| Increase in annual rent percentage |
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2.50%
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| Lease commencement date |
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Dec. 28, 2016
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| Original lease expiration date |
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Dec. 31, 2021
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| Accelerated lease expiration date |
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Feb. 28, 2020
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| 4 Hartwell Place |
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| Lessee Lease Description [Line Items] |
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| Area of lease | ft² |
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18,707
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| Lease, base rent per year |
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$ 900,000
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| Increase in annual rent percentage |
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2.60%
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| Lease expiration month and year |
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2029-12
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| Lease commencement month and year |
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2019-07
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| Lessee, operating lease, existence of option to extend [true false] |
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true
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| Lessee, operating lease, option to extend |
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The Company has the option to extend the lease twice, each for a five-year period, on the same terms and conditions as the current lease, subject to a change in base rent based on market rates.
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| Lessee, operating lease, option to extend term |
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5 years
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| Tenant improvement allowance, received |
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$ 1,300,000
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| Increase in base rent |
$ 100,000
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| Initial direct cost |
0
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| Operating right-of-use assets obtained in exchange for operating lease liabilities |
1,000,000.0
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| Sublease payments to be received annually |
$ 1,000,000.0
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| Sublease income, increase in annual percentage |
2.80%
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| Sublease commencement date |
Nov. 15, 2021
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| Sublease income expiration date |
Nov. 30, 2024
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| Lessee, operating sublease, existence of option to extend |
true
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| Lessee, operating sublease, option to extend |
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Lonza has the option to extend the sublease term for five 12-month periods on the same terms and conditions as the current sublease, subject to an increase of 2.8% in the annual fixed rent charges.
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| Number of operating sublease renewal term | Renewal |
5
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| Lessee, operating sublease, option to extend term |
12 months
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| Percentage of annual increase in fixed rent charges |
2.80%
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| 4 Hartwell Place | Maximum |
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| Lessee Lease Description [Line Items] |
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| Tenant improvement allowance |
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$ 1,300,000
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| 4 Hartwell Place | Letter of Credit |
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| Lessee Lease Description [Line Items] |
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| Security deposit |
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$ 400,000
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400,000
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| 35 Cambridge Park Drive |
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| Lessee Lease Description [Line Items] |
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| Area of lease | ft² |
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68,258
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| Lease, base rent per year |
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$ 4,900,000
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| Increase in annual rent percentage |
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3.00%
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| Lease commencement date |
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Mar. 26, 2019
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| Lease expiration month and year |
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2029-11
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| Lessee, operating lease, existence of option to extend [true false] |
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true
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| Lessee, operating lease, option to extend |
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The Company has the option to extend the lease for a 10-year period on the same terms and conditions as the current lease, subject to a change in base rent based on market rates.
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| Lessee, operating lease, option to extend term |
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10 years
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| Tenant improvement allowance |
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$ 12,300,000
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| Tenant improvement allowance, received |
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12,300,000
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| Construction oversight fee |
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2.00%
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| Area of space for sublease | ft² |
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23,280
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| Sublease payments to be received annually |
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$ 1,300,000
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| Sublease income, increase in annual percentage |
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3.00%
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| Sublease commencement date |
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May 18, 2020
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| Sublease expiration month and year |
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2023-05
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2022-05
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2023-05
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| Lessee, operating sublease, existence of option to extend |
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true
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true
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| Lessee, operating sublease, option to extend |
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The sublessee had the option to extend the sublease for a one-year period on the same terms and conditions as the current sublease, subject to a change in base rent based on the greater of (i) an increase of 3% of the annual rent owed by the sublessee in year two, and (ii) market rent for the subleased premises.
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| Lessee, operating sublease, option to extend term |
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1 year
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1 year
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| 35 Cambridge Park Drive | Letter of Credit |
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| Lessee Lease Description [Line Items] |
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| Security deposit |
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$ 3,700,000
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$ 3,700,000
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| Security deposit in connection with sublease |
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$ 300,000
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