Share-Based Compensation - Summary of Stock Option Activity under 2014 Plan and 2021 Plan (Detail) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021
Share-Based Payment Arrangement, Disclosure [Abstract]
Number of options, Outstanding at the beginning of the period		19,494,202
Stock option award granted		4,175,212
Exercise of stock options, share		5,331,634
Number of options, Forfeited		1,461,454
Number of options, Outstanding at the end of the period		16,876,326	[1]	19,494,202
Number of options, Exercisable at the end of the period		11,641,663
Weighted average exercise price, Outstanding at the beginning of the period		$ 1.95
Weighted average exercise price, Granted		1.29
Weighted average exercise price, Exercised		0.57
Weighted average exercise price, Forfeited		4.04
Weighted average exercise price, Outstanding at the end of the period		2.03	[1]	$ 1.95
Weighted average exercise price, Exercisable at the end of the period		$ 1.44
Weighted average remaining contractual term (in years)		7 years 3 months 3 days	[1]	6 years 10 months 17 days
Weighted average remaining contractual term (in years) Exercisable at the end of the period		6 years 6 months
Aggregate intrinsic value, Outstanding	[2]	$ 1,135	[1]	$ 19,214
Aggregate intrinsic value, Exercisable at the end of the period	[2]	$ 1,135

[1] Excludes 650,000 fully-vested options with an exercise price of $11.50 issued in June 2021 to a consultant in connection with the Business Combination.

[2] The aggregate intrinsic value of options outstanding at end of the year and options exercisable at end of the year does not include 11,861,426 and 6,626,765 options that are out of the money, respectively.