Condensed Consolidated Statements Of Income (Loss) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Consolidated Statements Of Income (Loss) [Abstract]
Revenues	$ 72,694	$ 81,124
Operating Expenses:
Voyage Expenses	61,603	67,718
Amortization Expense	1,029	1,873
Vessel Depreciation	6,721	5,771
Other Depreciation	18	23
Administrative and General Expenses	5,579	5,433
Total Operating Expenses	74,950	80,818
Operating (Loss) Income	(2,256)	306
Interest and Other:
Interest Expense	2,145	2,201
Derivative Loss/(Gain)	14	(77)
Other Income from Vessel Financing	(489)	(555)
Investment Income	(19)	(40)
Foreign Exchange Loss/(Gain)	84	(3,181)
Total Interest and Other Income	1,735	(1,652)
(Loss)/Income Before Provision/(Benefit) for Income Taxes and Equity in Net Loss of Unconsolidated Entities	(3,991)	1,958
(Benefit)/Provision for Income Taxes	(882)	35
Equity in Net Loss of Unconsolidated Entities (Net of Applicable Taxes)	(108)	(270)
Net (Loss)/Income	(3,217)	1,653
Preferred Stock Dividends	1,305	251
Net (Loss)/Income Available to Common Stockholders	$ (4,522)	$ 1,402
Basic and Diluted Earnings per Common Share:
Basic Earnings Per Common Share: (in dollars per share)	$ (0.62)	$ 0.19
Diluted Earnings Per Common Share: (in dollars per share)	$ (0.62)	$ 0.19
Weighted Average Shares of Common Stock Outstanding:
Basic (in shares)	7,252,075	7,212,901
Diluted (in shares)	7,252,075	7,233,400
Common Stock Dividends Per Share (in dollars per share)	$ 0.25	$ 0.25