Product Revenue - Schedule of Product Revenue Allowances Reserve Categories (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Beginning balance	$ 2,865	$ 1,911	$ 2,079
Beginning balance	3,734	2,306	2,193
Beginning balance	542	344	669
Beginning balance	7,141	4,561	4,941
Provision (reversal) related to sales in the current year	21,106	17,920	13,546
Credits or payments made	(21,455)	(16,966)	(13,714)
Ending balance	2,516	2,865	1,911
Provision (reversal) related to sales in the current year	11,025	9,979	7,849
Credits or payments made	(10,089)	(8,551)	(7,736)
Ending balance	4,670	3,734	2,306
Provision (reversal) related to sales in the current year	0	219	(235)
Credits or payments made	(224)	(21)	(90)
Ending balance	318	542	344
Provision (reversal) related to sales in the current year	32,131	28,118	21,160
Credits or payments made	(31,768)	(25,538)	(21,540)
Ending balance	$ 7,504	$ 7,141	$ 4,561