XML 124 R104.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Derivative Instruments - Gain (Loss) for Derivative Instruments Not Designated or Qualifying as Hedging Instruments (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Realized gains (losses) on derivative instruments | $ (32,397) | $ (42,586) | $ (36,568)
Unrealized gains (losses) on derivative instruments | 12,375 | (2,096) | 22,568
Gain (loss) on derivative instruments, net | (20,022) | (44,682) | (14,000)
Interest rate swap agreements [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Realized gains (losses) on derivative instruments | (28,968) | (39,406) | (38,089)
Unrealized gains (losses) on derivative instruments | 14,768 | 4,204 | 18,868
Gain (loss) on derivative instruments, net | (14,200) | (35,202) | (19,221)
Interest rate swaption agreements [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Realized gains (losses) on derivative instruments | 0 |  |
Unrealized gains (losses) on derivative instruments | (783) |  |
Gain (loss) on derivative instruments, net | (783) |  |
Interest rate swap agreements termination [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Realized gains (losses) on derivative instruments | 0 | (2,319) |
Unrealized gains (losses) on derivative instruments | 0 |  |
Gain (loss) on derivative instruments, net | 0 | (2,319) |
Toledo Spirit time-charter derivative [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Realized gains (losses) on derivative instruments | (3,429) | (861) | 1,521
Unrealized gains (losses) on derivative instruments | (1,610) | (6,300) | 3,700
Gain (loss) on derivative instruments, net | $ (5,039) | $ (7,161) | $ 5,221

X
- Definition Derivative instruments not designated as hedging instruments realized gain loss net. + References No definition available. + Details
Name: | tgp_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet
Namespace Prefix: | tgp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwaptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=tgp_InterestRateSwapsTerminatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_OtherContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |