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Commitments and Contingencies - Additional Information (Detail) (USD $)
 0 Months Ended 1 Months Ended 12 Months Ended
Jun. 15, 2011
Subsidiary
Jul. 31, 2008
m3
Dec. 31, 2012
Commitments Contingencies And Litigation [Line Items]      
Payments made to commitments by the joint ventures companies     38,624,000
Present value of the lease rental increase claim     29,000,000
Teekay Nakilat Corporation [Member]
      
Commitments Contingencies And Litigation [Line Items]      
Percentage of ownership interest     70.00%
Description of capital lease     The Teekay Nakilat Joint Venture is the lessee under 30-year capital lease arrangements with a third party for the three RasGas II LNG Carriers (or RasGas II Leases). The UK taxing authority (or HMRC) has been urging the lessor as well as other lessors under capital lease arrangements that have tax benefits similar to the ones provided by the RasGas II Leases, to terminate such finance lease arrangements and has in other circumstances challenged the use of similar structures.
Present value of the lease rental increase claim     10,000,000
Additional amount of cash be placed on deposit by Joint Venture     12,000,000
Daewoo Shipbuilding [Member]
      
Commitments Contingencies And Litigation [Line Items]      
Number of LNG carriers     2
Carriers volume     173,400
Cost of construction     386,000,000
Payments made to commitments by the joint ventures companies     38,624,000
Capitalized interest costs     24,000
Remaining payments required to be made under newbuilding contracts in 2014     19,300,000
Remaining payments required to be made under newbuilding contracts in 2015     57,900,000
Remaining payments required to be made under newbuilding contracts in 2016     270,200,000
Skaugen Multigas Subsidiary [Member]
      
Commitments Contingencies And Litigation [Line Items]      
Percentage of ownership interest 100.00%   100.00%
Skaugen Multigas Subsidiaries acquired 2    
Carriers volume   12,000