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Equity Method Investments - Yamal LNG Joint Venture - Additional Information (Detail)
$ in Thousands, t in Millions
Jul. 09, 2014
USD ($)
Vehicle
Vessel
m
t
Dec. 31, 2015
USD ($)
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%