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Summary of Significant Accounting Policies - Redeemable Convertible Preferred Stock Assumptions (Details) - Redeemable convertible preferred stock outstanding | 12 Months Ended
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Dec. 31, 2020
Subsidiary, Sale of Stock [Line Items] |
Expected life (years) | 1 year 8 months 12 days
Expected volatility |
Subsidiary, Sale of Stock [Line Items] |
Measurement input, percent | 0.68
Risk-free interest rate |
Subsidiary, Sale of Stock [Line Items] |
Measurement input, percent | 0.001
Expected dividend rate |
Subsidiary, Sale of Stock [Line Items] |
Measurement input, percent | 0

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- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + 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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