Stock-Based Compensation - Summary of share based Payment Arrangement Option Activity (Detail) - Service And Performance Based Options [Member] - Two Thousand And Twenty Incentive Plan [Member] - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2021		Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Beginning		11,331,232
Number of Options, Granted	[1]	17,990,952
Exercised		379,049
Number of options, Cancelled or forfeited	[2]	2,255,515
Number of options, End		26,687,620	[3]	11,331,232
Number of options, Options exercisable		6,468,770
Weighted-Average Exercise Price, Beginning		$ 1.54
Weighted-Average Exercise Price, Granted		9.69
Weighted-Average Exercise Price, Exercised		2.44
Weighted-Average Exercise Price, Cancelled or forfeited		3.52
Weighted-Average Exercise Price, Outstanding		6.85		$ 1.54
Weighted-Average Exercise Price, Options exercisable		$ 1.21
Weighted-Average Remaining Contractual Term (Years)		4 years 10 months 6 days		4 years 7 months 20 days
Weighted-Average Remaining Contractual Term (Years), Options exercisable		3 years 7 months 17 days
Aggregate Intrinsic Value, Outstanding		$ 74,525		$ 47,735
Aggregate Intrinsic Value, Options exercisable		$ 41,500

[1] Includes (a) 5,391,184 stock options that will vest over a two to four-year service period, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant. If the Company achieves an IPO (as defined in the awards) by June 30, 2021 or December 31, 2021, an additional 25% or 12.5%, respectively, the stock options will accelerate and vest upon the occurrence of the transaction, (b) 5,241,785 stock options that will vest over a one to four-year service period, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant (c) 1,460,784 stock options that will vest over a three to four-year service period and upon the satisfaction of specified performance-based vesting conditions, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant, (d) 624,000 stock options that will vest over a three-year service period, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant, (e) 400,688 stock options that will vest over a four-year service period and upon the satisfaction of specified performance-based vesting conditions including liquidity-based conditions, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant. If the Company achieves an IPO (as defined in the awards) by June 30, 2021 or December 31, 2021, an additional 25% or 12.5%, respectively, will accelerate and satisfy the service-based vesting condition upon the occurrence of the transaction, (f) 400,000 stock options that will vest over a two-year service period and upon the satisfaction of specified market-based conditions tied to price of the Company's publicly traded shares, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant, (g) 338,112 stock options that will vest over a four-year service period and upon the satisfaction of specified performance-based vesting conditions including liquidity-based conditions, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant, (h) 100,640 stock options that will vest over a four-year service period and upon the satisfaction of specified performance-based vesting conditions, only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant, (i) 94,096 stock options that will vest only if and when a “Liquidity Event” (as defined in the awards) occurs within five years of the date of grant, (j) 3,919,997 stock options that will vest over a three to four-year service period, and (l) 19,666 stock options that were 100% vested upon grant.

[2] Includes 1,152,192 Exchange Options

[3] With the satisfaction of the Liquidity Event in June 2021, the 20,218,850 outstanding unvested stock options includes (a) 15,240,355 that will continue to vest over a one to four-year service period, (b) 4,778,495 that will continue to vest over a three to four-year service period and upon the satisfaction of specified performance-based vesting conditions, and (c) 200,000 stock options that will continue to vest over a two-year service period and upon the satisfaction of specified market-based conditions tied to price of the Company's publicly traded shares.