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Related Party Transactions - Skaugen - Additional Information (Detail) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Nov. 13, 2014 USD ($) m³ | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Related Party Transaction [Line Items] |  |  |  |
Acquisition cost of vessels and associated fixed-rate contracts |  | $ 191,969 | $ 194,255 | $ 470,213
Sale price of interest sold in Norgas Napa |  |  | $ 216 |
Skaugen [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Volume of vessels | m³ | 10,200 |  |  |
Acquisition cost of vessels and associated fixed-rate contracts | $ 27,000 |  |  |
Operating lease arrangement period, lessor | 5 years |  |  |
Teekay Corporation [Member] | Skaugen [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Percentage interest sold in Norgas Napa | 1.00% |  |  |
Sale price of interest sold in Norgas Napa | $ 216 |  |  |

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