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Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 24, 2020 | Dec. 31, 2021 USD ($) Segment | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jan. 01, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Reverse stock split description |  | 5.2651-for-1 reverse stock split of the Company’s common stock and convertible preferred stock |  |  |
Reverse stock split conversion ratio | 5.2651 |  |  |  |
Amortization of available-for-sale debt securities |  | $ 550 | $ 152 | $ 62 |
Restricted cash |  | $ 822 |  |  |
Property and equipment, Estimated useful lives |  | five years |  |  |
Other comprehensive (loss) income related to unrealized (losses) gains on marketable securities, net of tax |  | $ (78) | $ 3 | $ 10 |
Expected dividend yield |  | 0.00% | 0.00% | 0.00% |
Number of operating segments | Segment |  | 1 |  |  |
Right-of-use assets, operating leases |  | $ 10,060 |  |  |
Lease liabilities |  | $ 11,193 |  |  |
ASU 2016-02 |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Adoption of accounting standards update [true false] |  | true |  |  |
Accounting standards update, adoption date |  | Jan. 01, 2021 |  |  |
Right-of-use assets, operating leases |  |  |  |  | $ 970
Lease liabilities |  |  |  |  | $ 1,129
ASU 2019-12 |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Adoption of accounting standards update [true false] |  | true |  |  |
Accounting standards update, adoption date |  | Jan. 01, 2021 |  |  |
Accounting standards update, immaterial effect [true false] |  | true |  |  |

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