Redeemable Convertible Preferred Stock - Summary of Redeemable Convertible Preferred Stock (Details) - USD ($)	5 Months Ended	12 Months Ended
	Jul. 31, 2020	Dec. 31, 2020	Mar. 31, 2021
Temporary Equity [Line Items]
Shares Authorized (in shares)		95,997,674	275,000,000
Shares Issued (in shares)		93,328,118	0
Shares Outstanding (in shares)		93,328,118	0
Aggregate Liquidation Value		$ 268,452,000	$ 0
Proceeds, Net of Issuance Costs		$ 238,641,000
Series Seed
Temporary Equity [Line Items]
Shares Authorized (in shares)		4,987,477
Shares Issued (in shares)		4,987,477
Shares Outstanding (in shares)		4,987,477
Aggregate Liquidation Value		$ 0
Proceeds, Net of Issuance Costs		$ 0
Issue Price per Share (in dollars per share)		$ 0.0001
Series A
Temporary Equity [Line Items]
Shares Authorized (in shares)		23,822,492
Shares Issued (in shares)		23,822,492
Shares Outstanding (in shares)		23,822,492
Aggregate Liquidation Value		$ 6,621,000
Proceeds, Net of Issuance Costs		$ 5,106,000
Issue Price per Share (in dollars per share)		$ 0.2780
Series A-1
Temporary Equity [Line Items]
Shares Authorized (in shares)		5,742,012
Shares Issued (in shares)		5,742,012
Shares Outstanding (in shares)		5,742,012
Aggregate Liquidation Value		$ 753,000
Proceeds, Net of Issuance Costs		$ 740,000
Issue Price per Share (in dollars per share)		$ 0.1312
Series B
Temporary Equity [Line Items]
Shares Authorized (in shares)		13,270,590
Shares Issued (in shares)		13,270,590
Shares Outstanding (in shares)		13,270,590
Aggregate Liquidation Value		$ 24,600,000
Proceeds, Net of Issuance Costs		$ 23,429,000
Issue Price per Share (in dollars per share)		$ 1.8538
Series B-1
Temporary Equity [Line Items]
Shares Authorized (in shares)		9,807,952
Shares Issued (in shares)		9,807,952
Shares Outstanding (in shares)		9,807,952
Aggregate Liquidation Value		$ 20,000,000
Proceeds, Net of Issuance Costs		$ 14,965,000
Issue Price per Share (in dollars per share)		$ 2.0392
Series B-2
Temporary Equity [Line Items]
Shares Authorized (in shares)		13,464,939
Shares Issued (in shares)		13,464,939
Shares Outstanding (in shares)		13,464,939
Aggregate Liquidation Value		$ 51,371,000
Proceeds, Net of Issuance Costs		$ 49,911,000
Issue Price per Share (in dollars per share)		$ 3.8152
Series C
Temporary Equity [Line Items]
Shares Authorized (in shares)		14,850,340
Shares Issued (in shares)		14,760,594
Shares Outstanding (in shares)		14,760,594
Aggregate Liquidation Value		$ 113,072,000
Proceeds, Net of Issuance Costs		$ 92,590,000
Issue Price per Share (in dollars per share)		$ 7.6604
Series D
Temporary Equity [Line Items]
Shares Authorized (in shares)		10,051,872
Shares Issued (in shares)	7,472,062	7,472,062
Shares Outstanding (in shares)		7,472,062
Aggregate Liquidation Value		$ 52,035,000
Proceeds, Net of Issuance Costs	$ 51,900,000	$ 51,900,000
Issue Price per Share (in dollars per share)		$ 6.9639