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Fair Value of Financial Assets and Liabilities - Additional Information (Details) - USD ($) |  |  | 8 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 02, 2020 | Jan. 21, 2020 | Sep. 30, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Discounted cash flow include a discount rates |  |  | 21.00% | 21.00% | 21.00%
Derivative liability for the exchange option, fair value |  |  | $ 7,174,000 | $ 7,174,000 |
Fair value of derivative liability |  | $ 27,038,000 |  |  |
Debt instrument, outstanding principal |  |  | 15,961,000 | 15,961,000 |
Derivative liability, change of control feature, fair value |  |  | 2,009,000 | 2,009,000 |
RLNs liability |  |  | 18,403,000 | 18,403,000 |
Fair value, assets Level 1 to Level 2 transfers, amount |  |  | 0 | 0 |
Fair value, liabilities Level 1 to Level 2 transfers, amount |  |  | 0 | 0 |
Fair value, assets Level 2 to Level 1 transfers, amount |  |  | 0 | 0 |
Fair value, liabilities Level 2 to Level 1 transfers, amount |  |  | 0 | 0 |
Fair value, asset Level 3 transfers amount |  |  |  | 0 |
Fair value, liabilities Level 3 transfers amount |  |  |  | 0 |
Exchangeable Notes |  |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Aggregate principal amount of exchangeable notes |  |  | 39,200,000 |  |
Private Placement | Securities |  |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Debt instrument price per ordinary share | $ 0.7775 | $ 1.00 |  |  |
Debt instrument, shares embedded within each unit, shares | 1,286.1845 | 1,000 |  |  |
Debt instrument, shares embedded within each unit, value | $ 1,000 | $ 1,000 |  |  |
Private Placement | Exchangeable Notes |  |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Aggregate principal amount of exchangeable notes |  |  | $ 39,200,000 |  |
Debt instrument, aggregate number of shares exchanged |  |  | 53,888,331 |  |
Debt instrument, outstanding principal |  |  | $ 12,600,000 | $ 12,600,000 |
Private Placement | RLNs |  |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Debt instrument, aggregate potential payment capped value |  | 160.00 |  |  |
Debt instrument, aggregate potential payment capped rate |  | 4,000 times |  |  |
Debt instrument, discount rate applied for royalty linked notes |  | 21.00% |  |  |

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