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Property, Plant and Equipment - Schedule of Property Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Cost	$ 90,763	$ 90,422
Less: accumulated depreciation	(40,560)	(38,384)
Property, plant and equipment, net	50,203	52,038
Liquefaction plants and systems
Property, Plant and Equipment [Line Items]
Cost	40,850	40,841
Real property and buildings
Property, Plant and Equipment [Line Items]
Cost	1,611	1,649
Vehicles and tanker trailers and equipment
Property, Plant and Equipment [Line Items]
Cost	47,567	47,179
Computer and office equipment
Property, Plant and Equipment [Line Items]
Cost	513	532
Construction in progress
Property, Plant and Equipment [Line Items]
Cost	191	191
Leasehold improvements
Property, Plant and Equipment [Line Items]
Cost	$ 31	$ 30

X

- Definition

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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- Definition

Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Name Accounting Standards Codification
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