Details Of Certain Accounts (Other Assets, Net) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Details Of Certain Accounts [Abstract]
Deferred dry dock expenses, net	$ 19,838	$ 22,704
Deferred financing costs, net	25,412	24,338
Intangible assets with finite lives, net	597	491
Other	1,492	2,304
Total other assets, net	$ 47,339	$ 49,837