Property, Plant and Equipment (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) Plant	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Property, plant and equipment
Property, plant, and equipment	$ 1,122,726		$ 1,122,726		$ 767,909
Less: accumulated depreciation	(60,916)		(60,916)		(48,116)
Property, plant, and equipment, net	1,061,810		1,061,810		719,793
Capitalized interest	2,000	$ 1,500	4,000	$ 5,800
Depreciation expense	7,300	$ 5,500	$ 12,800	$ 8,100
Number of hydrogen production plant | Plant			4
Land
Property, plant and equipment
Property, plant, and equipment	6,193		$ 6,193		1,772
Construction in progress
Property, plant and equipment
Property, plant, and equipment	821,349		821,349		575,141
Buildings and Leasehold Improvements
Property, plant and equipment
Property, plant, and equipment	47,193		47,193		21,363
Software, machinery, and equipment
Property, plant and equipment
Property, plant, and equipment	$ 247,991		$ 247,991		$ 169,633