Stockholders’ Equity - Narrative (Details)		1 Months Ended	6 Months Ended
	Aug. 02, 2021 USD ($) vote $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares	Dec. 31, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (in shares)	2,000,000,000	2,000,000,000	2,000,000,000		2,000,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001	$ 0.0001		$ 0.0001
Common stock, number of voting rights | vote	1
Aggregate intrinsic value of options exercised | $			$ 3,400,000	$ 52,800,000
Weighted average grant date, fair value (in dollars per share) | $ / shares			$ 0.61	$ 2.86
Exercises in period, forgiveness (in shares)	9,400,000
Exercises in period, forgiveness, intrinsic value | $	$ 94,000,000
Incremental stock option charge, number of shares subject to repurchase (in shares)		1,800,000	1,800,000
Early exercise of stock options liability for unvested awards | $		$ 1,700,000	$ 1,700,000		$ 2,200,000
Number of shares subject to repurchase related to early exercise of stock option (in shares)		1,600,000	1,600,000		2,100,000
The 2019 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock, percent			100.00%
2021 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance (in shares)	78,000,000
Percentage of issued and outstanding stock, maximum			5.00%
2021 Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
2021 Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			4 years
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $		$ 29,200,000	$ 29,200,000
Unrecognized compensation cost, period for recognition			1 year 10 months 24 days
Expected term (in years)			10 years
Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)			5 years	5 years 9 months 18 days
Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)			6 years 8 months 12 days	6 years 1 month 6 days
Options | The 2019 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term period			10 years
Vesting period			4 years
RSU and PRSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $		$ 147,600,000	$ 147,600,000
Unrecognized compensation cost, period for recognition			2 years 7 months 6 days
Expected term (in years)			4 years 1 month 6 days
Granted (in shares)			56,545,065
RSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
RSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			4 years
RSUs | The 2019 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			4 years
PRSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		25,200,000
PRSU | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			1 year
Vesting, percentage of granted amount		0.00%
PRSU | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			4 years
Vesting, percentage of granted amount		100.00%
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock, percent			85.00%
Number of shares authorized for issuance (in shares)		13,000,000	13,000,000
Percentage of issued and outstanding stock, maximum			1.00%
Maximum employee subscription amount | $			$ 25,000
Look back feature			6 months
Issued (in shares)			1,100,000
Issued | $			$ 1,600,000