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Leases - Additional Information (Detail) $ in Thousands	1 Months Ended			12 Months Ended
	Jan. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Feb. 28, 2018 USD ($)	Dec. 31, 2019 USD ($) City	Dec. 31, 2018 USD ($)	Dec. 31, 2014
Lessee, Lease, Description [Line Items]
Rent expense				$ 298	$ 872
Liquefaction plants and systems
Lessee, Lease, Description [Line Items]
Equipment lease, term of contract		1 year			1 year
Monthly payments		$ 13
February 2018 Through December 2018
Lessee, Lease, Description [Line Items]
Sublease income			$ 5
January 2019 And Thereafter
Lessee, Lease, Description [Line Items]
Sublease income			$ 2
Denver, Colorado
Lessee, Lease, Description [Line Items]
Non-cancelable operating leases term						5 years
Total rent expense				$ 92	$ 229
Fort Lupton, Colorado
Lessee, Lease, Description [Line Items]
Equipment lease, term of contract	1 year
Monthly payments	$ 2
Minimum
Lessee, Lease, Description [Line Items]
Remaining operating lease term				1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining operating lease term				5 years
M&I Brazil
Lessee, Lease, Description [Line Items]
Number of cities in which offices and facilities were leased | City				3

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Lessee, Operating Lease, Monthly Payments

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Non cancelable operating leases term.

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Number of cities in which offices and facilities were leased

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- Definition

Remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Amount of sublease income excluding finance and operating lease expense.

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