Stock-Based Compensation - Summary of Activity Relating to Time Based and Performance Based Stock Options (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ending balance, Outstanding Shares	11,170,620
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance, Outstanding Shares	8,118,041
Granted, Shares	2,030,551
Exercised, Shares	(7,142)
Forfeited, Shares	(3,165,816)
Ending balance, Outstanding Shares	6,975,634	8,118,041
Exercisable, Shares	3,931,681
Beginning balance, Outstanding Weighted Average Exercise Price	$ 76.02
Granted, Weighted Average Exercise Price	22.41
Exercised, Weighted Average Exercise Price	7.18
Forfeited, Weighted Average Exercise Price	86.34
Ending balance, Outstanding Weighted Average Exercise Price	55.81	$ 76.02
Exercisable, Weighted Average Exercise Price	$ 70
Outstanding, Weighted Average Remaining Life	5 years 11 months 4 days	5 years 7 months 28 days
Exercisable, Weighted Average Remaining Life	4 years 6 months 18 days
Outstanding, Aggregate Intrinsic Value	$ 231	$ 475
Exercisable, Aggregate Intrinsic Value	$ 231