Stock-based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 28, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense		$ 44,640	$ 29,959
Liabilities related to exercised options subject to repurchase		$ 3,000		$ 1,400
Employee promissory note settled in shares	$ 17,200
Employee promissory note settled in cash	3,700
Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of shares stock option (in shares)		904,773
Restricted stock units granted (in dollars per share)		$ 69.98
Promissory Notes
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Employee promissory note settled	$ 20,900
Employee promissory note outstanding		$ 11,800		$ 15,100
Minimum | Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Award vesting period		4 years
Maximum | Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Award vesting period		5 years
Class A Common Stock
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)		2,434,999		2,884,999
Class A Common Stock | Promissory Notes
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Early exercised options with promissory note (in shares)		275,105		663,856
Class A Common Stock | Equity Option
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Exercised options subject to repurchase (in shares)		635,873		486,999
2021 Equity Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Capital shares reserved for future issuance (in shares)		39,000,000
Number of shares available for future issuance (in shares)		39,000,000
Number of shares available for future issuance as a percentage of outstanding stock		5.00%
2021 Equity Incentive Plan | Class A Common Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Decrease in the number of shares reserved for future issuance (in shares)		2,000,000
2021 Partner Studio Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Capital shares reserved for future issuance (in shares)		390,000
Number of additional shares authorized		2,000,000
2021 Partner Studio Incentive Plan | Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of shares stock option (in shares)		125,255
Restricted stock units granted (in dollars per share)		$ 48.18
2021 Partner Studio Incentive Plan | Minimum | Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Award vesting period		4 years
2021 Partner Studio Incentive Plan | Maximum | Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Award vesting period		5 years
Employee Stock Purchase Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based payment award, expiration period		24 months
Employee Stock Purchase Plan | Class A Common Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of shares available for future issuance as a percentage of outstanding stock		1.00%
Percentage of eligible compensation eligible for participation in the stock purchase plan		15.00%
Share based compensation by share based payment arrangement purchase price of the stock as a percentage of fair value		85.00%
Share based compensation by share based payment arrangement maximum number of shares per employee (in shares)		590
Share based compensation by share based payment arrangement number of shares available for issuance (in shares)		7,800,000
Number of additional shares available for issuance (in shares)		7,800,000
Shares purchased for award (in shares)		0
2011 Equity Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense		$ 300	$ 300