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Income Taxes (Reconciliation of U.S. Statutory Tax Rate) (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of U.S. statutory tax rate to our effective tax rate expense (benefit) [Abstract]    
Statutory Rate 35.00% 35.00%
State Income Taxes (0.10%) (0.20%)
Effect of Tonnage Tax Rate 0.50% (1.00%)
Foreign Earnings - Indefinitely Reinvested   (30.90%)
Foreign Earnings (20.50%)  
Change in Valuation Allowance (15.00%) (26.50%)
Permanent Differences and Other, Primarily Non-deductible Expenditures (0.20%)  
Effective Tax Rate (0.30%) (23.60%)