| 
           Deferred Revenue (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        12 Months Ended | 1 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
           Dec. 31, 2011 
         | 
        
           Dec. 31, 2010 
         | 
        
           Dec. 31, 2011
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Dec. 31, 2010
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Dec. 31, 2005
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Apr. 30, 2005
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Nov. 30, 2004
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Dec. 31, 2011
 
          TUA Payments [Member] 
         | 
        
           Dec. 31, 2010
 
          TUA Payments [Member] 
         | 
        
           Apr. 30, 2009
 
          Total Gas and Power North America, Inc. [Member]
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Nov. 30, 2004
 
          Total Gas and Power North America, Inc. [Member]
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Dec. 31, 2005
 
          Chevron U.S.A. Inc. [Member]
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Nov. 30, 2004
 
          Chevron U.S.A. Inc. [Member]
 
          Advance Capacity Reservation Fee [Member] 
         | 
        
           Dec. 31, 2005
 
          Scenario, Adjustment [Member]
 
          Chevron U.S.A. Inc. [Member]
 
          Advance Capacity Reservation Fee [Member] 
         | 
      |
| Deferred Revenue Arrangement [Line Items] | ||||||||||||||
| Deferred Revenue, Current | $ 26,628 | $ 26,592 | $ 4,000 | $ 4,000 | $ 21,100 | $ 21,000 | ||||||||
| Deferred Revenue, Noncurrent | $ 25,500 | $ 29,994 | $ 25,500 | $ 29,500 | $ 20,000 | $ 10,000 | $ 10,000 | |||||||
| Regasification capacity | 1.0 | 1.0 | 0.7 | 0.3 | ||||||||||
| Advanced capacity reservation fees amortization period | 10 years | 10 years |