Property, Plant, and Equipment - Property, Plant and Equipment by Classification (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 242,250	$ 203,000
Less accumulated depreciation and amortization	(66,196)	(63,859)
Property, plant and equipment, net	176,054	139,141
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	410	410
Plant facilities and infrastructure
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 84,117	84,117
Plant facilities and infrastructure | Minimum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	5 years
Plant facilities and infrastructure | Maximum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	20 years
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 25,416	25,369
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	5 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	10 years
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,606	2,550
Furniture and office equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	3 years
Furniture and office equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	7 years
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,621	1,564
Software | Minimum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	3 years
Software | Maximum
Property, Plant and Equipment [Line Items]
Useful Life (in years)	6 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 128,080	$ 88,990