XML 74 R59.htm IDEA: XBRL DOCUMENT v2.4.0.6
Intangible Assets and Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Finite-Lived Intangible Assets, Net [Abstract]    
Gross carrying amount $ 182,552 $ 182,552
Accumulated amortization (68,136) (59,006)
Net carrying amount 114,416 123,546
Liquefied Gas Segment [Member]
   
Finite-Lived Intangible Assets, Net [Abstract]    
Gross carrying amount 179,813 179,813
Accumulated amortization (65,599) (56,743)
Net carrying amount 114,214 123,070
Conventional Tanker Segment [Member]
   
Finite-Lived Intangible Assets, Net [Abstract]    
Gross carrying amount 2,739 2,739
Accumulated amortization (2,537) (2,263)
Net carrying amount $ 202 $ 476