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Financial Instruments - Fair Value of Derivative Assets and Liabilities (Details) (USD $)
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Mar. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Derivatives, Fair Value [Line Items] | |||
| Collateral Already Posted, Aggregate Fair Value | $ 500,000 | $ 900,000 | |
| LNG Inventory Derivative assets | 35,000 | ||
| Fuel Derivatives liability | (161,000) | ||
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LNG Inventory Derivatives [Member]
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| Derivatives, Fair Value [Line Items] | |||
| Derivative Asset, Fair Value, Gross Asset | 35,000 | (161,000) | |
| Derivative Asset, Fair Value, Net | 28,000 | 0 | |
| Derivative, Fair Value, Gross Amount Not Offset Against Collateral, Net | 0 | 0 | |
| Derivative, Collateral, Right to Reclaim Cash | 0 | 0 | |
| Derivative Asset, Fair Value, Amount Offset Against Collateral | 7,000 | (161,000) | |
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LNG Inventory Derivatives [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 0 | 0 | |
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LNG Inventory Derivatives [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 0 | 0 | |
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LNG Inventory Derivatives [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 35,000 | ||
| Fuel Derivatives liability | (161,000) | ||
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Fuel Derivatives [Member]
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| Derivatives, Fair Value [Line Items] | |||
| Derivative Asset, Fair Value, Gross Asset | 19,000 | 27,000 | |
| Derivative Asset, Fair Value, Net | 19,000 | 27,000 | |
| Derivative Liability, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
| Derivative, Fair Value, Gross Amount Not Offset Against Collateral, Net | 0 | 0 | |
| Derivative, Collateral, Right to Reclaim Cash | 0 | 0 | |
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Fuel Derivatives [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 0 | 0 | |
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Fuel Derivatives [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 0 | 0 | |
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Fuel Derivatives [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 19,000 | 27,000 | |
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Fuel Derivatives [Member] | Prepaid Expenses And Other [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 19,000 | 27,000 | |
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Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| Derivative Asset, Fair Value, Net | 0 | 0 | |
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Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| Derivative Asset, Fair Value, Net | 51,626,000 | 84,639,000 | |
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Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
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| Derivatives, Fair Value [Line Items] | |||
| Derivative Asset, Fair Value, Net | 0 | 0 | |
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Cheniere Energy Investments, LLC [Member] | LNG Inventory Derivatives [Member] | Cheniere Marketing, LLC [Member] | LNG Lease Agreement [Member]
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| Derivatives, Fair Value [Line Items] | |||
| LNG Inventory Derivative assets | 2,000 | 200,000 | |
| Fuel Derivatives liability | 35,000 | (161,000) | |
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Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
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| Derivatives, Fair Value [Line Items] | |||
| Derivative Asset, Fair Value, Gross Asset | 71,170,000 | 98,123,000 | |
| Derivative Liability, Fair Value, Net | (19,544,000) | (13,484,000) | |
| Derivative Asset, Fair Value, Net | 71,170,000 | 98,123,000 | |
| Derivative Liability, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
| Derivative, Fair Value, Gross Amount Not Offset Against Collateral, Net | 0 | 0 | |
| Derivative, Collateral, Right to Reclaim Cash | 0 | 0 | |
| Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
| Derivative Liability, Fair Value, Gross Liability | (19,544,000) | (13,484,000) | |
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Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
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| Derivatives, Fair Value [Line Items] | |||
| Derivative Asset, Fair Value, Net | $ 51,626,000 | $ 84,639,000 |