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Fair Value Measurements - Summary of Assumptions Used to Determine Fair Value of Preferred Stock Purchase Right Liability (Details) - Black-Scholes Option Pricing Model - Preferred Stock Purchase Right Liability |  | 12 Months Ended
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Jan. 20, 2021 | [1] | Dec. 31, 2020
Fair Value of Underlying Preferred Stock |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Measurement input | 0.0611 | 0.0611
Risk-free Interest Rate |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Measurement input | 0.0007 | 0.0008
Expected Volatility |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Measurement input | 0.744 | 0.718
Expected Term (in years) |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Expected term (in years) | 0 years | 29 days
Expected Dividend Yield |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Measurement input | 0 | 0
[1] | The date the purchase right liability was settled.

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- Definition Value of input used to measure investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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