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Leases - Narrative (Details) ft² in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jan. 08, 2024 USD ($) ft²
Lessee, Lease, Description [Line Items] |  |  |
Additional right-of-use assets recorded | $ 4,245 | $ 2,860 |
Total lease payments | 6,589 |  |
Removal of lease liability | 2,211 | 1,099 |
Right-of-use assets | $ 5,859 | $ 4,175 |
Weighted average discount rate | 6.60% | 5.70% |
Weighted average remaining lease term | 2 years 4 months 24 days | 3 years 4 months 24 days |
Cash payments related to lease liabilities | $ 2,208 | $ 1,092 |
Subsequent event |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Total lease payments |  |  | $ 5,100
Lease term |  |  | 64 months
Area of premises leased | ft² |  |  | 9
Menlo Park, California, Expiration May 2026 |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Additional right-of-use assets recorded | 4,245 | $ 2,860 |
Total lease payments | $ 4,701 |  |
Lease term | 36 months |  |
Cambridge UK, Laboratory and Office Space |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Disposal of right-of-use asset | $ 788 |  |
Removal of lease liability | $ 809 |  |

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- Definition Amount of increase (decrease) in obligation for operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -SubTopic 20 -Topic 842 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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