Property, Plant and Equipment - Schedule of Property Plant and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total	$ 181,171	$ 180,920
Less accumulated depreciation and amortization	(20,056)	(17,332)
Construction in process	50,453	40,331
Total property, plant, and equipment, net	211,568	203,919
Land
Property, Plant and Equipment [Line Items]
Total	56	56
Land improvements and infrastructure
Property, Plant and Equipment [Line Items]
Total	58,547	58,452
Manufacturing equipment and pilot plant
Property, Plant and Equipment [Line Items]
Total	111,185	111,053
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total	2,738	2,726
Lab equipment
Property, Plant and Equipment [Line Items]
Total	3,507	3,496
Furniture, fixtures, and machinery
Property, Plant and Equipment [Line Items]
Total	373	372
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total	$ 4,765	$ 4,765