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Commitments and Contingencies - Additional Information (Details) ft² in Thousands, $ in Millions |  | 9 Months Ended
--- | --- | ---
May 04, 2020 ft² $ / ft² | Sep. 30, 2020 USD ($) renewal_option lease
Operating Leased Assets [Line Items] |  |
Non-cancellable office leases | lease |  | 2
Operating lease, term of contract |  | 1 year
Weighted-average discount rate |  | 8.59%
Prepaid rent |  | $ 0.2
Security deposit |  | $ 0.3
One office lease |  |
Operating Leased Assets [Line Items] |  |
Number of one year renewal options | renewal_option |  | 3
10770 Wateridge Circle, San Diego, California 92121 |  |
Operating Leased Assets [Line Items] |  |
Area of leased property (sqft) | ft² | 45 |
Lease term | 124 months |
Lease renewal term | 5 years |
Lease termination term | 7 years |
Monthly base rate (usd per sqft) | $ / ft² | 4.20 |
Increase in annual rent | 3.00% |

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