Property, Plant and Equipment - Schedule of Property Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Cost	$ 103,407	$ 101,827
Less accumulated depreciation	(49,515)	(47,140)
Property, plant and equipment, net	53,892	54,687
Liquefaction plants and systems
Property, Plant and Equipment [Line Items]
Cost	47,590	47,235
Real property and buildings
Property, Plant and Equipment [Line Items]
Cost	2,558	2,348
Vehicles and tanker trailers and equipment
Property, Plant and Equipment [Line Items]
Cost	50,309	50,027
Computer and office equipment
Property, Plant and Equipment [Line Items]
Cost	739	691
Construction in progress
Property, Plant and Equipment [Line Items]
Cost	2,180	1,495
Leasehold improvements
Property, Plant and Equipment [Line Items]
Cost	$ 31	$ 31