Share-based Compensation - Plan Information (Details) - 2017 Plan T in Thousands	1 Months Ended
Jan. 31, 2018 T shares
Fully-Vested Common Stock Awards
Summary of changes in restricted stock outstanding
Granted shares	0.1
Restricted Stock Awards
Summary of changes in restricted stock outstanding
Granted shares	2.1
Milestone Performance Shares
Summary of changes in restricted stock outstanding
Granted shares	1.7
Restricted stock
Summary of changes in restricted stock outstanding
Granted shares	0.4
Vesting period	3 years
Milestone 2 upon execution of one or more binding LNG sale and purchase or tolling agreements, with customary conditions precedent
Summary of changes in restricted stock outstanding
Threshold volume per annum for issuance of restricted shares (in tons) \| T	3,825

The amount of threshold volume of liquefied natural gas (LNG) per annum for issuance of restricted shares.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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