Details Of Certain Accounts (Other Assets, Net) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014	Nov. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Note receivable	[1]			$ 10,000	$ 10,000
Deferred dry dock expenses, net				26,061	11,631
Deferred financing costs, net (Note 6)				22,528	23,399
Intangible assets with finite lives, net				719	696
Charter fee deposit (Note 12)				12,544	12,544	$ 12,500
Other				1,454	1,002
Total other assets, net				$ 73,306	$ 59,272
Note receivable, interest rate				6.00%
Financing receivable, gross				$ 20,000
Scenario, Forecast [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Note receivable, periodic principal payment		$ 10,000	$ 10,000

[1] Relates to the remaining balance of the promissory note we received in connection with the sale of our Ingleside spoolbase in January 2014. Interest on the note is payable quarterly at a rate of 6% per annum. Under the terms of the note, the remaining $20 million principal balance is required to be paid with a $10 million payment on December 31, 2015 and December 31, 2016.