Property, Plant and Equipment, Net - Summary of Property Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 323,234	$ 313,330
Less: Accumulated depreciation and amortization	(142,341)	(126,929)
Property, Plant & Equipment, Net	180,893	186,401
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	595
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	28,693	28,065
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	246,670	246,874
Gas mineral rights [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	34,551	34,551
Construction work in progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 12,725	$ 3,840

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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