XML 64 R55.htm IDEA: XBRL DOCUMENT
v3.21.2

Long-Term Debt - USD Term Loans - Additional Information (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 USD ($) term_loan vessel | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |
Number of Term Loans | term_loan | 6 |
Aggregate principal amount | $ 1,394,373 | $ 1,481,936
Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Variable interest rate on debt | 0.60% |
Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Variable interest rate on debt | 3.25% |
Line of Credit |  |
Debt Instrument [Line Items] |  |
Number Of Vessels | vessel | 2 |
Secured Debt |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount |  | 873,712
US Dollar Denominated Term Loans Due through Two Thousand Thirty |  |
Debt Instrument [Line Items] |  |
Aggregate principal amount | $ 812,304 | $ 873,700
US Dollar Denominated Term Loans Due through Two Thousand Thirty | Asset Pledged as Collateral [Member] |  |
Debt Instrument [Line Items] |  |
Number Of Vessels | vessel | 16 |
US Dollar Denominated Term Loans Due through Two Thousand Thirty | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Fixed interest rate on debt | 4.11% |
US Dollar Denominated Term Loans Due through Two Thousand Thirty | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Fixed interest rate on debt | 4.41% |
US Dollar Denominated Term Loans Due through Two Thousand Thirty | LIBOR | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Variable interest rate on debt | 1.85% |
US Dollar Denominated Term Loans Due through Two Thousand Thirty | LIBOR | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Variable interest rate on debt | 3.25% |
Teekay Nakilat Joint Venture | Teekay Lng [Member] |  |
Debt Instrument [Line Items] |  |
Percentage of ownership interest | 70.00% |

X
- Definition Number Of Vessels + References No definition available. + Details
Name: | tgp_NumberOfVessels
Namespace Prefix: | tgp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Term Loans + References No definition available. + Details
Name: | tgp_NumberofTermLoans
Namespace Prefix: | tgp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership. + References No definition available. + Details
Name: | us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=tgp_USDollarDenominatedTermLoansDueThroughTwoThousandThirtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_AssetPledgedAsCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=tgp_TeekayNakilatJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=tgp_TeekayLngMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |