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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 30, 2021 | Feb. 28, 2021 | Dec. 31, 2019 | Nov. 30, 2018 | Oct. 31, 2018 | Jan. 31, 2016 | Dec. 31, 2021 | Jan. 01, 2021 | Dec. 31, 2020
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Operating lease right-of-use ("ROU") assets |  |  |  |  |  |  | $ 14,562 | $ 16,537 | $ 0
Operating lease liability |  |  |  |  |  |  | $ 16,448 |  |
Operating lease, discount rate |  |  |  |  |  |  | 7.80% |  |
Operating lease expense |  |  |  |  |  |  | $ 2,600 |  |
Cash paid for amounts included in the measurement of lease liabilities |  |  |  |  |  |  | 2,300 |  |
5980 Horton Street Building Lease |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Lease extended term date |  |  |  |  |  | Mar. 31, 2023 |  |  |
Tenant improvement allowance |  |  |  | $ 200 |  |  |  |  |
Lease extended term period |  |  |  |  | 2026-09 |  |  |  |
Operating lease right-of-use ("ROU") assets |  |  |  |  |  |  | 1,900 |  |
Operating lease liability |  |  |  |  |  |  | $ 2,300 |  |
Operating lease, discount rate |  |  |  |  |  |  | 7.50% |  |
5858 Horton Street Building Lease and Expansion |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Tenant improvement allowance | $ 600 | $ 2,300 | $ 400 |  |  |  |  |  |
Operating lease right-of-use ("ROU") assets |  |  |  |  |  |  | $ 12,600 |  |
Operating lease liability |  |  |  |  |  |  | $ 14,200 |  |
Operating lease, discount rate |  |  |  |  |  |  | 7.80% |  |
Lease initial term |  |  |  |  | 87 months |  |  |  |
Lease option to renew term description |  |  |  |  |  |  | The new lease has an initial term of 87 months beginning on the rent commencement date with the option to renew the lease for one additional term of five years at market rent. |  |
Lease existence of option to renew term |  |  |  |  | true |  |  |  |
Lease renewal term |  |  |  |  | 5 years |  |  |  |
Minimum | 5980 Horton Street Building Lease |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Lease renewal term |  |  |  |  |  | 3 years |  |  |
Maximum | 5980 Horton Street Building Lease |  |  |  |  |  |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Lease renewal term |  |  |  |  |  | 5 years |  |  |

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