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Derivative Instruments and Hedging Activities - Effect of (Loss) Gain on Derivatives Not Designated as Hedging Instruments (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Realized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments realized gain (loss) net | $ (131,179)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet | $ (160,451)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet | $ (110,670)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet
Unrealized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments unrealized (loss) gain net | (100,496)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet | 178,865tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet | 30,318tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet
Total realized and unrealized (losses) gains on derivative instruments | (231,675)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet | 18,414us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet | (80,352)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Interest rate swap agreements [Member] |  |  |
Realized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments realized gain (loss) net | (125,424)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | (122,439)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | (123,277)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember
Unrealized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments unrealized (loss) gain net | (86,045)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 182,800tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 26,770tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember
Interest Rate Swaps Terminated [Member] |  |  |
Realized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments realized gain (loss) net | (1,319)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = tk_InterestRateSwapsTerminatedMember | (35,985)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = tk_InterestRateSwapsTerminatedMember |
Foreign currency forward contracts [Member] |  |  |
Realized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments realized gain (loss) net | (4,436)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeForwardMember | (2,027)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeForwardMember | 1,155tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeForwardMember
Unrealized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments unrealized (loss) gain net | (16,926)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeForwardMember | (3,935)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeForwardMember | 6,933tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeForwardMember
Foinaven embedded derivative [Member] |  |  |
Realized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments realized gain (loss) net |  |  | 11,452tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = tk_FoinavenEmbeddedDerivativeMember
Unrealized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments unrealized (loss) gain net |  |  | (3,385)tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = tk_FoinavenEmbeddedDerivativeMember
Stock purchase warrants [Member] |  |  |
Unrealized (losses) gains relating to: |  |  |
Derivative instruments not designated as hedging instruments unrealized (loss) gain net | $ 2,475tk_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealizedGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = tk_StockPurchaseWarrantsMember |  |

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- Definition Derivative instruments not designated as hedging instruments realized gain loss net. + References No definition available. + Details
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- Definition Derivative instruments not designated as hedging instruments unrealized gain loss net. + References No definition available. + Details
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- 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=35706170&loc=SL5624171-113959 + Details
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