CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Cash and Cash Equivalents	$ 29,224	$ 19,868
Restricted Cash	15,825	8,000
Accounts Receivable, Net of Allowance for Doubtful Accounts	29,040	32,891
Net Investment in Direct Financing Leases		3,540
Other Current Assets	9,021	8,392
Notes Receivable	4,248	4,383
Material and Supplies Inventory	11,289	11,847
Total Current Assets	98,647	88,921
Investment in Unconsolidated Entities	12,698	12,676
Net Investment in Direct Financing Leases		13,461
Vessels, Property, and Other Equipment, at Cost:
Vessels	578,516	525,172
Building	1,211	1,211
Land	623	623
Leasehold Improvements	26,348	26,348
Construction in Progress	2,836	10
Furniture and Equipment	11,535	11,614
Gross Vessels, Property, and Other Equipment	621,069	564,978
Less - Accumulated Depreciation	(167,809)	(151,318)
Net Vessels, Property, Plant and Equipment	453,260	413,660
Other Assets:
Deferred Charges, Net of Accumulated Amortization of $17,262 and $15,821 in 2013 and 2012, Respectively	31,328	19,892
Intangible Assets, Net of Accumulated Amortization	29,785	45,784
Due from Related Parties	1,688	1,709
Notes Receivable	28,460	33,381
Goodwill	2,771	2,700
Other	7,721	5,509
Other Assets Total	101,753	108,975
TOTAL ASSETS	666,358	637,693
Current Liabilities:
Current Maturities of Long-Term Debt	19,164	26,040
Accounts Payable and Accrued Liabilities	63,539	50,896
Total Current Liabilities	82,703	76,936
Long-Term Debt, Less Current Maturities	186,118	211,590
Other Long-Term Liabilities:
Lease Incentive Obligation	5,585	6,150
Other	77,750	80,718
TOTAL LIABILITIES	352,156	375,394
Stockholders' Equity:
Common Stock, $1.00 Par Value, 20,000,000 Shares Authorized, 7,248,350 and 7,203,935 Shares Outstanding at September 30, 2013 and December 31, 2012, Respectively	8,669	8,632
Additional Paid-In Capital	139,744	86,362
Retained Earnings	212,418	217,654
Treasury Stock, 1,388,066 Shares at September 30, 2013 and December 31, 2012, Respectively	(25,403)	(25,403)
Accumulated Other Comprehensive Loss	(21,792)	(24,946)
TOTAL STOCKHOLDERS' EQUITY	314,202	262,299
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	666,358	637,693
9.50% Series A Preferred Stock [Member]
Stockholders' Equity:
Preferred Stock, $1.00 Par Value	250
9.00% Series B Preferred Stock [Member]
Stockholders' Equity:
Preferred Stock, $1.00 Par Value	$ 316