Fair Value Measurement - Summary of Fair Value of Redeemable Convertible Preferred Stock Warrants Liability and Derivative Liability (Detail) - Warrant - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Redeemable Convertible Preferred Stock Warrants
Schedule Of Fair Value Of Redeemable Convertible Preferred Stock Warrants Liability And Derivative Liability [Roll Forward]
Beginning balance	$ 0	$ 19,233
Change in fair value of derivative liability	0	48,109
Ending balance	0	67,342
Embedded Derivative - Stockholder Convertible Notes Payable
Schedule Of Fair Value Of Redeemable Convertible Preferred Stock Warrants Liability And Derivative Liability [Roll Forward]
Beginning balance	0	1,239
Change in fair value of derivative liability	0	391
Additional derivative liability	0	2,197
Ending balance	$ 0	$ 3,827

Fair Value Of Redeemable Convertible Preferred Stock Warrants Liability And Derivative Liability

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ 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 (c)(1)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of issuances 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=123874694&loc=d3e19207-110258

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- Definition

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

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)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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