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Commitments and Contingencies - Additional Information (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 05, 2021 USD ($) | Sep. 30, 2019 ft² | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Commitments And Contingencies Disclosure [Abstract] |  |  |  |  |  |  |
Operating lease office space | ft² |  | 10,823 |  |  |  |  |
Lease expiration date |  | Jul. 31, 2021 |  |  |  |  |
Lease commencement date | Aug. 01, 2021 |  |  |  |  |  |
Operating lease right-of-use assets | $ 1,500 |  | $ 1,612 |  | $ 1,612 |  | $ 518
Lease, borrowing rate | 13.59% |  |  |  |  |  |
Operating leases, rent expense |  |  | $ 175 | $ 175 | $ 528 | $ 488 |
Total base rent under lease agreement | $ 1,600 |  |  |  |  |  |
Operating lease, discount rate |  |  | 16.40% |  | 16.40% |  |
Operating lease term | 37 months |  | 2 years 10 months 24 days |  | 2 years 10 months 24 days |  |

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- Definition Total base rent under lease agreement. + References No definition available. + Details
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- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition Discount rate used by lessee to determine present value of operating lease payments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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