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v3.21.2

Basis of Presentation Narrative (Details) | Mar. 31, 2020 vessel
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LPG Carriers [Member] |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |
Number Of Vessels | 6

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- Definition Number Of Vessels + References No definition available. + Details
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Namespace Prefix: | tgp_
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Balance Type: | na
Period Type: | instant

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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. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |