Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Derivative Gross Presentation on Consolidated Balance Sheets (Details)

v2.4.0.8
Financial Instruments - Derivative Gross Presentation on Consolidated Balance Sheets (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
LNG Inventory Derivatives [Member]
    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized $ 101  
Derivative Liability, Gross Amounts Recognized   (161)
Derivative Asset, Gross Amounts Offset in our Balance Sheets 60  
Derivative Liability, Gross Amounts Offset in our Balance Sheets   (161)
Net Amounts Presented in our Balance Sheets 41 0
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0  
Derivative Liability, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument   0
Derivative, Collateral, Right to Reclaim Cash 0 0
Derivative Asset, Net Amount 41  
Derivative Liability, Net Amount   0
Fuel Derivatives [Member]
    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized 0 27
Derivative Asset, Gross Amounts Offset in our Balance Sheets 0 0
Net Amounts Presented in our Balance Sheets 0 27
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0 0
Derivative, Collateral, Right to Reclaim Cash 0 0
Derivative Asset, Net Amount 0 27
Term Gas Supply Derivatives [Member]
    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized 0  
Derivative Asset, Gross Amounts Offset in our Balance Sheets 0  
Net Amounts Presented in our Balance Sheets 0  
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0  
Derivative, Collateral, Right to Reclaim Cash 0  
Derivative Asset, Net Amount 0  
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member]
    
Derivative [Line Items]    
Derivative Asset, Gross Amounts Recognized 20,236 98,123
Derivative Asset, Gross Amounts Offset in our Balance Sheets 0 0
Net Amounts Presented in our Balance Sheets 20,236 98,123
Derivative Asset, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0 0
Derivative, Collateral, Right to Reclaim Cash 0 0
Derivative Asset, Net Amount 20,236 98,123
Interest Rate Contract 2 [Member] | Not Designated as Hedging Instrument [Member]
    
Derivative [Line Items]    
Derivative Liability, Gross Amounts Recognized (13,106) (13,484)
Derivative Liability, Gross Amounts Offset in our Balance Sheets 0 0
Net Amounts Presented in our Balance Sheets (13,106) (13,484)
Derivative Liability, Gross Amount Not Offset in our Balance Sheets - Derivative Instrument 0 0
Derivative, Collateral, Right to Reclaim Cash 0 0
Derivative Liability, Net Amount $ (13,106) $ (13,484)