Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Fair Value and Settlements of Derivatives (Details)

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Financial Instruments - Fair Value and Settlements of Derivatives (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss), net $ (17,468,000) $ (836,000)  
Collateral deposited 1,400,000   900,000
Fuel Derivatives [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss), net 515,000    
Cheniere Marketing, LLC [Member] | LNG Lease Agreement [Member] | LNG Inventory Derivatives [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss), net $ (550,000) $ 1,171,000