Equity-Accounted Joint Ventures - Yamal LNG Joint Venture - Additional Information (Details) $ in Millions	Dec. 31, 2019 USD ($) vessel	Dec. 31, 2018 USD ($)
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in percentage)	100.00%
Yamal LNG Joint Venture
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in percentage)	50.00%
Guarantor obligations, maximum exposure, undiscounted	$ 809.2
Carrying value of guarantee liability	$ 2.2	$ 0.6
Yamal LNG Joint Venture \| LNG carriers
Schedule of Equity Method Investments [Line Items]
Number of vessels \| vessel	6
Yamal LNG Joint Venture \| China LNG
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in percentage)	50.00%

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
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-Section 50
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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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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

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