CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows from Operating Activities:
Net Income	$ 8,640,000	$ 26,918,000
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation	12,357,000	11,961,000
Amortization of Deferred Charges and Other Assets	5,214,000	4,004,000
Gain on Dry Bulk Transaction	0	(18,844,000)
Non-Cash Stock Based Compensation	544,000	1,006,000
Equity in Net Income of Unconsolidated Entities	(581,000)	(874,000)
Distributions from Unconsolidated Entities	0	750,000
Gain on Purchase / Sale of Assets	(4,466,000)	0
Gain on Sale of Investments	(66,000)	(114,000)
Gain (Loss) on Foreign Currency Exchange	(1,914,000)	411,000
Changes in:
Deferred Drydocking Charges	(7,623,000)	(4,359,000)
Accounts Receivable	277,000	(4,817,000)
Inventories and Other Current Assets	(624,000)	1,816,000
Other Assets	1,950,000	114,000
Accounts Payable and Accrued Liabilities	(594,000)	(121,000)
Other Long-Term Liabilities	(3,204,000)	1,249,000
Net Cash Provided by Operating Activities	9,910,000	19,100,000
Cash Flows from Investing Activities:
Principal payments received under Direct Financing Leases	2,279,000	2,711,000
Capital Improvements to Vessels and Other Assets	(46,103,000)	(17,216,000)
Proceeds from Sale of Assets	130,315,000	0
Purchase of Marketable Securities	(5,000)	(85,000)
Proceeds from Sale of Marketable Securities	159,000	2,755,000
Investment in Unconsolidated Entities	(750,000)	(1,796,000)
Acquisition of Unconsolidated Entity	0	7,092,000
Net Decrease/(Increase) in Restricted Cash Account	6,907,000	(6,549,000)
Proceeds from Note Receivables	2,507,000	2,069,000
Net Cash Provided by (Used In) Investing Activities	95,309,000	(11,019,000)
Cash Flows from Financing Activities:
Proceeds from borrowings of long-term debt	41,175,000	58,079,000
Repayment of Debt	(141,559,000)	(49,378,000)
Additions to Deferred Financing Charges	(264,000)	(1,479,000)
Common Stock Dividends Paid	(4,805,000)	(5,625,000)
Net Cash (Used In) Provided by Financing Activities	(105,453,000)	1,597,000
Net (Decrease) / Increase in Cash and Cash Equivalents	(234,000)	9,678,000
Cash and Cash Equivalents at Beginning of Period	21,437,000	24,158,000
Cash and Cash Equivalents at End of Period	$ 21,203,000	$ 33,836,000