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Details Of Certain Accounts (Other Assets, Net) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Details Of Certain Accounts [Abstract]    
Deferred dry dock expenses, net $ 19,689 $ 22,704
Deferred financing costs, net 19,620 24,338
Intangible assets with finite lives, net 469 491
Other 2,180 2,304
Total other assets, net $ 41,958 $ 49,837