Equity-Accounted Joint Ventures - Angola Joint Venture - Additional Information (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) vessel m³	Dec. 31, 2020 USD ($)
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in joint venture	100.00%
Due from joint ventures	$ 17,500	$ 10,991
Angola Joint Venture
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in joint venture	33.00%
Principal amount outstanding on secured loan facilities and finance leases	$ 181,600	203,400
Number of vessels \| vessel	4
Volume of vessels (in cubic meter) \| m³	160,400
Carrying value of guarantee liability	$ 200
Due from joint ventures		$ 1,000
Angola Joint Venture \| Fair Value Guarantee [Member]
Schedule of Equity Method Investments [Line Items]
Number of vessels \| vessel	3
Angola Joint Venture \| NYK Energy Transport
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in joint venture	33.00%
Angola Joint Venture \| Mitsui & Co. Ltd
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in joint venture	34.00%
Angola Joint Venture
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in joint venture	33.00%

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Amounts due from an entity in which the reporting entity shares joint control with another party or group, due within 1 year (or 1 business cycle).

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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.

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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.

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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.

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