CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Revenues	$ 67,087	$ 74,400	$ 201,382	$ 232,398
Operating Expenses:
Voyage Expenses	46,911	49,925	147,715	166,381
Vessel Depreciation	6,775	4,923	18,244	13,671
Impairment Loss	0	25,430	0	25,430
Administrative and General Expenses	4,769	4,844	16,053	16,278
Gain on Dry Bulk Transaction	0	0	(18,844)	0
Loss (Gain) on Sale of Other Assets	0	29	0	(46)
Total Operating Expenses	58,455	85,151	163,168	221,714
Operating Income (Loss)	8,632	(10,751)	38,214	10,684
Interest and Other:
Interest Expense	2,850	1,745	7,470	5,549
Derivative Loss	124	172	109	400
Gain on Sale of Investment	(67)	0	(181)	(16)
Other Income from Vessel Financing	(654)	(577)	(2,014)	(1,771)
Investment Income	(137)	(303)	(522)	(1,469)
Foreign Exchange Loss	2,664	3,396	3,075	6,544
Total Interest and Other Income	4,780	4,433	7,937	9,237
Income Before Provision (Benefit) for Income Taxes and Equity in Net (Loss) Income of Unconsolidated Entities	3,852	(15,184)	30,277	1,447
Provision (Benefit) for Income Taxes:
Current	150	173	518	496
Deferred	0	(224)	0	(1,189)
State	0	0	13	0
Income Tax Expense (Benefit)	150	(51)	531	(693)
Equity in Net (Loss) Income of Unconsolidated Entities (Net of Applicable Taxes)	(852)	1,310	22	4,221
Net Income (Loss)	$ 2,850	$ (13,823)	$ 29,768	$ 6,361
Basic and Diluted Earnings Per Common Share:
Basic Earnings Per Common Share: (in dollars per share)	$ 0.40	$ (1.95)	$ 4.18	$ 0.89
Diluted Earnings Per Common Share: (in dollars per share)	$ 0.40	$ (1.95)	$ 4.15	$ 0.88
Weighted Average Shares of Common Stock Outstanding:
Basic (in shares)	7,140,752	7,075,659	7,128,810	7,186,335
Diluted (in shares)	7,190,082	7,075,659	7,165,298	7,252,888
Dividends Per Share (in dollars per share)	$ 0.375	$ 0.375	$ 1.125	$ 1.250