Redeemable Convertible Preferred Stock, Common Stock and Preferred Stock - Redeemable Convertible Preferred Stock - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands								7 Months Ended	12 Months Ended
	Mar. 29, 2021	Aug. 12, 2020	Jan. 22, 2020	Dec. 14, 2018	May 16, 2017	Mar. 03, 2017	Oct. 27, 2016	May 16, 2017	Dec. 31, 2021	Dec. 31, 2020
Redeemable Convertible Preferred Stock, Common Stock and Preferred Stock
Proceeds from issue of redeemable convertible preferred stock									$ 115,831	$ 49,842
Series Seed redeemable convertible preferred stock
Redeemable Convertible Preferred Stock, Common Stock and Preferred Stock
Shares issued					1,152,737	576,368	691,641
Purchase price (in dollars Per share}					$ 0.8675	$ 0.8675	$ 0.8675	$ 0.8675	$ 0.8675
Proceeds from issue of redeemable convertible preferred stock					$ 1,000	$ 500	$ 600
Series Seed redeemable convertible preferred stock | Maximum
Redeemable Convertible Preferred Stock, Common Stock and Preferred Stock
Issuance costs								$ 100
Series A Redeemable Convertible Preferred Stock
Redeemable Convertible Preferred Stock, Common Stock and Preferred Stock
Shares issued		24,015,368	24,015,368	24,015,368						48,030,736
Purchase price (in dollars Per share}		$ 1.041	$ 1.041	$ 1.041					$ 1.041
Proceeds from issue of redeemable convertible preferred stock		$ 25,000	$ 25,000	$ 25,000
Aggregate shares issued				34,848,403
Issuance costs		$ 100
Shares issued in satisfaction of principal and interest on convertible notes				10,833,035
Convertible notes outstanding				$ 9,000
Shares issuable upon achievement of certain specified milestones				24,015,368
Series A Redeemable Convertible Preferred Stock | Maximum
Redeemable Convertible Preferred Stock, Common Stock and Preferred Stock
Issuance costs			$ 100
Series B Redeemable Convertible Preferred Stock
Redeemable Convertible Preferred Stock, Common Stock and Preferred Stock
Shares issued	53,522,099								53,522,099
Purchase price (in dollars Per share}	$ 2.172								$ 2.172
Proceeds from issue of redeemable convertible preferred stock	$ 116,200
Issuance costs	$ 400