Income Taxes (Reconciliation Of U.S. Statutory Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of U.S. statutory tax rate to our effective tax rate expense (benefit) [Abstract]
Statutory Rate	35.00%	35.00%	35.00%
State Income Taxes	(0.20%)	3.40%	0.10%
Effect of Tonnage Tax Rate	(1.00%)	(15.30%)	(35.00%)
Foreign Earnings - Indefinitely Reinvested	(30.90%)	(12.30%)	(6.90%)
Change in Valuation Allowance	(26.50%)	(180.70%)	3.50%
Foreign Income Taxes		(0.10%)	0.90%
E&P Limitations		14.90%	1.60%
Permanent Differences and Other, Primarily Non-deductible Expenditures		0.30%	0.10%
Effective Income Tax Rate, Continuing Operations	(23.60%)	(154.80%)	(0.70%)