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Fair Value Measurements - Reconciliation of unobservable inputs (Level 3) (Details) - Level 3 - Redeemable Series E Convertible Preferred Stock $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Changes in Level 3 liabilities measured at fair value |
Change in fair value | $ 21,688
Settlement of the Redeemable convertible Series E preferred stock forward contract liability | $ (21,688)

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- Definition Amount of change in fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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