Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details)

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Financial Instruments (Details) (USD $)
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of LNG inventory derivatives $ 1,942,000 [1]  
Fair value of Fuel Derivatives (1,577,000) [2]  
Marketing and trading revenues 1,900,000 600,000
Derivative gain (loss) (800,000) 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of LNG inventory derivatives 0 [1]  
Fair value of Fuel Derivatives 0 [2]  
Significant Other Observable Inputs (Level 2) [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of LNG inventory derivatives 1,942,000 [1]  
Fair value of Fuel Derivatives (1,577,000) [2]  
Significant Unobservable Inputs (Level 3) [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value of LNG inventory derivatives 0 [1]  
Fair value of Fuel Derivatives $ 0 [2]  
[1] LNG Inventory Derivatives asset is classified as other current assets on our Consolidated Balance Sheets. Changes in the fair value of LNG Inventory Derivatives are recorded in marketing and trading revenues on our Consolidated Statements of Operations. We recorded marketing and trading revenues of $1.9 million and marketing and trading losses of $0.6 million related to LNG Inventory Derivatives in the three months ended March 31, 2012 and 2011, respectively.
[2] Fuel Derivatives liability is classified as other current liabilities on our Consolidated Balance Sheets. Changes in the fair value of Fuel Derivatives are classified as derivative gain (loss) on our Consolidated Statements of Operations. We recorded derivative loss of $0.8 million and zero related to Fuel Derivatives in the three months ended March 31, 2012 and 2011, respectively.