Stock-based Compensation - Additional Information (Detail) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended			6 Months Ended		12 Months Ended
	Feb. 28, 2021 USD ($) $ / shares	Feb. 28, 2021 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) acquisition period tranche $ / shares shares	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2022 USD ($) acquisition period tranche $ / shares shares	Jun. 30, 2021 USD ($)	Dec. 31, 2020 shares	Dec. 31, 2017	Dec. 31, 2004	Dec. 31, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) | shares			173,880,000			173,880,000					148,863,000
Share based payment arrangement, unvested award options, cost not yet recognized, amount			$ 123,000			$ 123,000
Share based compensation by share based payment arrangement options granted (in shares) | shares						0
Allocated share based compensation			146,388	$ 81,659		$ 258,683	$ 132,403
Two Thousand and Twenty Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options to be granted price as a percentage of fair value								110.00%
Percentage of voting stock eligible for options								10.00%
Two Thousand and Twenty Equity Incentive Plan | Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) | shares								60,000,000
Two Thousand and Twenty Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offering period, employee stock purchase plan						24 months
Allocated share based compensation			$ 6,400	2,900		$ 11,000	3,400
Two Thousand and Twenty Employee Stock Purchase Plan | Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options to be granted price as a percentage of fair value						85.00%
Common stock shares reserved for future issuance (in shares) | shares								6,000,000
Offering period, employee stock purchase plan						24 months
Number of purchase periods, employee stock purchase plan | acquisition			4,000			4,000
Purchase period, employee stock purchase plan						6 months
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) | shares			55,921,000			55,921,000					63,267,000
Share based payment arrangement, unvested award, period for recognition						2 years 1 month 6 days
Options | Two Thousand and Four Incentive Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation by share based payment arrangement number of shares available for issuance (in shares) | shares			0			0
Options | Two Thousand and Seventeen Amended and Restated Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of voting stock eligible for options									10.00%
Share based compensation by share based payment arrangement number of shares available for issuance (in shares) | shares			0			0
RSUs outstanding
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) | shares			21,909,000			21,909,000					14,684,000
Share based payment arrangement, unvested award, period for recognition						3 years 2 months 12 days
Unrecognized compensation, equity instruments other than options			$ 1,152,400			$ 1,152,400
Allocated share based compensation					$ 21,300
Service period						4 years
Grant date fair value (in dollars per share) | $ / shares			$ 54.02			$ 54.02					$ 68.03
Granted, weighted average grant date fair value (in dollars per share) | $ / shares						$ 40.76
RSUs outstanding | CEO Long-Term Performance Award | Founder CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation, equity instruments other than options	$ 232,200	$ 232,200	$ 165,900			$ 165,900
Allocated share based compensation			$ 12,200	$ 12,200		$ 24,200	$ 17,400
Share based compensation by share based payment arrangement maximum number of shares per employee (in shares) | shares		11,500,000
Share-based compensation arrangement by share-based payment award, beginning of award performance period, period after effective date		2 years
Share-based compensation arrangement by share-based payment award, number of tranches | tranche			7			7
Number of consecutive trading days for the stock hurdle price to be achieved		90 days
Share price (in dollars per share) | $ / shares	$ 165.00	$ 165.00
Grant date fair value (in dollars per share) | $ / shares	$ 20.19	$ 20.19
Performance-Based Restricted Stock Units (RSUs) | 2022 PSU Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation, equity instruments other than options			$ 8,000			$ 8,000
Allocated share based compensation			$ 900			$ 900
PSU target number of shares (in shares) | shares			207,284			207,284
Performance stock units, performance period			3 years
Granted, weighted average grant date fair value (in dollars per share) | $ / shares			$ 43.13
Estimated total share-based payment expense			$ 8,900			$ 8,900
Share-based payment award, number of measurement periods | period			5			5
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payment arrangement, unvested award, period for recognition						2 years 2 months 12 days
Unrecognized compensation, equity instruments other than options			$ 16,000			$ 16,000
Grant date fair value (in dollars per share) | $ / shares			$ 52.21			$ 52.21					$ 57.37
Granted, weighted average grant date fair value (in dollars per share) | $ / shares						$ 45.99
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation by share based payment arrangement contractual term						24 months
Plan modification, incremental cost						$ 4,700
Minimum | Options | Two Thousand and Four Incentive Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options to be granted price as a percentage of fair value										85.00%
Minimum | RSUs outstanding | CEO Long-Term Performance Award | Founder CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payment arrangement, unvested award, period for recognition	3 years 5 months 12 days
Minimum | Performance-Based Restricted Stock Units (RSUs) | 2022 PSU Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares earned of the target number of shares			0.00%			0.00%
Maximum | Two Thousand and Twenty Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation by share based payment arrangement contractual term								10 years
Maximum | Options | Two Thousand and Four Incentive Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation by share based payment arrangement contractual term										10 years
Maximum | Options | Two Thousand and Seventeen Amended and Restated Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation by share based payment arrangement contractual term									10 years
Maximum | RSUs outstanding | CEO Long-Term Performance Award | Founder CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payment arrangement, unvested award, period for recognition	5 years 4 months 17 days
Maximum | Performance-Based Restricted Stock Units (RSUs) | 2022 PSU Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares earned of the target number of shares			200.00%			200.00%
Holders of Ten Percent or More of The Voting Equity Capital | Two Thousand and Twenty Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation by share based payment arrangement contractual term								5 years
Holders of Ten Percent or More of The Voting Equity Capital | Options | Two Thousand and Four Incentive Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of voting stock eligible for options										10.00%
Share based compensation by share based payment arrangement contractual term										5 years
Holders of Ten Percent or More of The Voting Equity Capital | Options | Two Thousand and Seventeen Amended and Restated Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation by share based payment arrangement contractual term									5 years
Holders of Ten Percent or More of The Voting Equity Capital | Minimum | Two Thousand and Twenty Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options to be granted price as a percentage of fair value								100.00%
Holders of Ten Percent or More of The Voting Equity Capital | Minimum | Options | Two Thousand and Four Incentive Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options to be granted price as a percentage of fair value										110.00%
Holders of Ten Percent or More of The Voting Equity Capital | Minimum | Options | Two Thousand and Seventeen Amended and Restated Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options to be granted price as a percentage of fair value									110.00%