Stock Incentive Plans - Summary of Share-based Compensation Arrangements by Share-based Payment Award (Detail) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Shares - Beginning Balance	55,644,495
Shares - Exercised	(5,682,071)
Shares - Forfeited and canceled	(222,234)
Shares - Ending Balance	49,740,190	55,644,495
Shares - Exercisable	45,634,668
Shares - Vested and expected to vest	49,436,255
Weighted- Average Exercise Price - Beginning Balance	$ 2.95
Weighted- Average Exercise Price - Exercised	2.71
Weighted- Average Exercise Price - Forfeited and canceled	4.67
Weighted- Average Exercise Price - Ending Balance	2.97	$ 2.95
Weighted- Average Exercise Price - Exercisable	2.73
Weighted- Average Exercise Price - Vested and expected to vest	$ 2.95
Weighted-Average Remaining Contractual Life (in years)	5 years 4 months 24 days	6 years
Weighted-Average Remaining Contractual Life (in years) - Exercisable	5 years 1 month 6 days
Weighted-Average Remaining Contractual Life (in years) - Vested and expected to vest	5 years 3 months 18 days
Aggregate Intrinsic Value - Beginning Balance	$ 469,591
Aggregate Intrinsic Value - Ending Balance	309,841	$ 469,591
Aggregate Intrinsic Value - Exercisable	295,200
Aggregate Intrinsic Value - Vested and expected to vest	$ 308,786