Stock-based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Feb. 28, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Granted (in shares)		263,200
Intrinsic value of options outstanding		$ 1,620,000	$ 1,830,000
Options exercised in period, intrinsic value		$ 622,100	33,800	$ 1,800
Exercised options, right to repurchase, options lapsed, typical percentage		25.00%
Liabilities related to exercised options subject to repurchase		$ 1,400	100
Employee promissory note settled in shares	$ 17,200
Employee promissory note settled in cash	3,700
Stock-based compensation expense		133,177	62,387	$ 10,222
Promissory Notes
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Employee promissory note settled	$ 20,900
Employee promissory note outstanding		$ 15,100	$ 40,400
Tranche One
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Exercised options, right to repurchase, term		1 year
Tranche Two
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Exercised options, right to repurchase, term		36 months
Common Class A
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of shares recognized cost (in shares)	60,968
Number of share options exercised (in shares)		2,884,999	8,022,499
Common Class A | Promissory Notes
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Early exercised options with promissory note (in shares)		663,856	4,136,677
Common Class A | Equity Option
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Exercised options subject to repurchase (in shares)		486,999	19,800
Unvested RSU
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Nonvested award, cost not yet recognized, amount		$ 375,900
Weighted average vesting period		3 years 8 months 12 days
Vested in period, fair value		$ 11,900
ESPP
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Nonvested award, cost not yet recognized, amount		$ 5,600
Weighted average vesting period		10 months 24 days
Expiration period		24 months
Stock options
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Weighted average vesting period		2 years 3 months 18 days
Granted (in shares)		263,200	13,158,430	12,199,200
Weighted average grant date stock fair value (in dollars per share)		$ 48.14	$ 15.94	$ 1.97
Unrecognized compensation costs		$ 70,100
Restricted Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Weighted average vesting period		8 months 12 days
Unrecognized compensation costs		$ 300
2021 Equity Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Common stock, capital shares reserved for future issuance (in shares)		39,000,000
Increase in the number of shares available for future issuance (in shares)		39,000,000
Increase in the number of shares available for future issuance as a percentage of outstanding stock		5.00%
2021 Partner Studio Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Common stock, capital shares reserved for future issuance (in shares)		390,000
2021 Partner Studio Incentive Plan | Unvested RSU
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Award vesting period		4 years
Employee Stock Purchase Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Expiration period		24 months
Employee Stock Purchase Plan | Common Class A
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Increase in the number of shares available for future issuance as a percentage of outstanding stock		1.00%
Maximum employee subscription rate		15.00%
Purchase price of common stock, percent		85.00%
Maximum number of shares per employee (in shares)		590
Number of shares available for grant (in shares)		7,800,000
Number of additional shares available for issuance (in shares)		7,800,000
Shares purchased for award (in shares)		42,303
2011 Equity Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense		$ 1,200	$ 900	$ 0
2011 Equity Incentive Plan | Stock options
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Award vesting period		4 years
Expiration period		10 years