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Equity Method Investments - Yamal LNG Joint Venture - Additional Information (Detail) $ in Thousands, t in Millions | Jul. 09, 2014 USD ($) Vehicle Vessel m t m³ | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
--- | --- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |  |
Joint venture ownership percentage |  | 100.00% |
Maximum icebreaking capabilities in meters | m | 2.1 |  |
Advances to equity accounted joint venture partner |  | $ 883,731 | $ 891,478
Yamal LNG Joint Venture [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Joint venture ownership percentage | 50.00% |  |
Number of trains | Vehicle | 3 |  |
Expected capacity of trains | t | 16.5 |  |
Advances to equity accounted joint venture partner |  | $ 96,900 | $ 95,300
Yamal LNG Joint Venture [Member] | Newbuildings [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of vessels | Vessel | 6 |  |
Volume of vessels | m³ | 172,000 |  |
Fully built-up cost | $ 2,100,000 |  |
Yamal LNG Joint Venture [Member] | China LNG [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Joint venture ownership percentage | 50.00% |  |
Yamal LNG Project [Member] | France-based Total S.A. [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership percentage | 20.00% |  |
Yamal LNG Project [Member] | China-based China National Petroleum Corporation [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership percentage | 20.00% |  |
Yamal LNG Project [Member] | Russia- based Novatek OAO [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership percentage | 60.00% |  |

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