Income Taxes - Summary of Changes In Valuation Allowance for Deferred Tax Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022	[1]
Valuation Allowance [Abstract]
Valuation allowance at beginning of year	$ (312,809)		$ (277,370)	[1]	$ (220,114)
Decreases recorded as benefit to income tax provision	3,067
Increases recorded to income tax provision	0		(35,439)		(57,256)
Valuation allowance as of end of year	$ (309,742)	[1]	$ (312,809)		$ (277,370)

[1] Prior period amounts have been retrospectively adjusted to reflect the effects of the Transaction.