XML 88 R68.htm IDEA: XBRL DOCUMENT v3.4.0.3

Equity Method Investments - BG Joint Venture - Additional Information (Detail)		12 Months Ended
	Jun. 27, 2014 USD ($) Vessel m³	Dec. 31, 2015 USD ($) Vessel	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Schedule of Equity Method Investments [Line Items]
Value of service obligation		$ 20,065,000	$ 32,660,000
Ownership Percentage		100.00%
Drawings from long-term debt facility		$ 391,574,000	944,123,000	$ 719,300,000
Shipbuilding supervision and crew training services [Member] | Newbuildings [Member]
Schedule of Equity Method Investments [Line Items]
Value of service obligation		29,700,000	33,700,000
Shipbuilding supervision and crew training services [Member] | Newbuildings [Member] | Fair Value Asset (Liability) [Member]
Schedule of Equity Method Investments [Line Items]
Value of service obligation	$ 33,300,000
BG Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Fully built-up cost		1,000,000,000
Difference between carrying amount and book value	$ 16,800,000
Drawings from long-term debt facility		89,000,000	53,700,000
Debt facility used to finance a portion of estimated fully built-up cost		787,000,000
Capital contributions received from the Partnership		$ 8,600,000	3,800,000
BG Joint Venture [Member] | Shipbuilding supervision and crew training services [Member] | Newbuildings [Member]
Schedule of Equity Method Investments [Line Items]
Number of vessels | Vessel	4	4
Volume of vessels | m³	174,000
Fully built-up cost	$ 1,000,000,000
Operating lease arrangement period, lessor		20 years
Value of service obligation	38,700,000
Amounts Due		$ 16,500,000	17,100,000
BG Joint Venture [Member] | Shipbuilding supervision and crew training services [Member] | Newbuildings [Member] | Principal Amount [Member]
Schedule of Equity Method Investments [Line Items]
Amounts Due	20,300,000		$ 20,300,000
BG Joint Venture [Member] | Shipbuilding supervision and crew training services [Member] | Newbuildings [Member] | Fair Value Asset (Liability) [Member]
Schedule of Equity Method Investments [Line Items]
Amounts Due	$ 16,500,000
BG Joint Venture [Member] | Shipbuilding supervision and crew training services [Member] | 30% Ownership [Member] | Newbuildings [Member]
Schedule of Equity Method Investments [Line Items]
Number of vessels | Vessel	2
Ownership Percentage	30.00%
BG Joint Venture [Member] | Shipbuilding supervision and crew training services [Member] | 20% Ownership [Member] | Newbuildings [Member]
Schedule of Equity Method Investments [Line Items]
Number of vessels | Vessel	2
Ownership Percentage	20.00%

X

- Definition

Carriers volume.

+ References

No definition available.

+ Details

Name:	tgp_CarriersVolume
Namespace Prefix:	tgp_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The noncurrent portion, due in greater than one year or one operating cycle, if longer, of liabilities resulting from the transfer of a business segment under contractual arrangement.

+ References

No definition available.

+ Details

Name:	tgp_LiabilitiesResultingFromBusinessTransferredUnderContractualArrangementNoncurrent
Namespace Prefix:	tgp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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:	duration

X

- Definition

Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) more than one year from the balance sheet date. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_NotesAndLoansReceivableGrossNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SupplyCommitmentAxis=us-gaap_SupplyCommitmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AssetUnderConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=tgp_BgJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByMeasurementBasisAxis=tgp_PrincipalAmountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=tgp_ThirtyPercentOwnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=tgp_TwentyPercentOwnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: