Intangible Assets, Net - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 37,833	$ 37,864
Amortization of in-licensed rights	2,405	1,559	$ 714
Patents [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	4,858	4,889
Software Development [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	302	302
License Agreement [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, gross	0
Amortization of in-licensed rights	2,700	$ 1,900	$ 1,900
ELEVIDYS [Member] | Nationwide License Agreement [Member]
Finite Lived Intangible Assets [Line Items]
Carrying value	$ 20,600