Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Operating Activities
Net loss	$ (33,118)	$ (18,334)
Adjustments to reconcile net loss to net cash provided by operating activities
Depreciation and amortization	39,436	51,230
Loss on change in value of interest swap contract	1,027	368
Amortization and write-off of deferred financing costs	2,578	2,212
Allowance for doubtful accounts		315
Stock based compensation	1,496	4,498
Long term accrued interest	471
Drydocking expenditures	(6,553)	(6,120)
Net loss on vessel held for sale		5,154
Income from non-consolidated joint ventures		(56)
Changes in operating assets and liabilities:
Decrease in charter hire receivables	4,426	5,058
Decrease (increase) in fuel and other inventories	410	(1,920)
Increase in prepaid expenses and other current assets	(5,256)	(858)
Decrease (increase) in other assets and deferred charges	441	(3,357)
Increase in accounts payable and accrued expenses	305	2,190
Decrease in voyages in progress	(315)	(1,068)
Increase in advances from/to affiliates, net	136	784
Net cash provided by operating activities	5,484	40,096
Investing Activities
Vessel acquisitions / capital improvement costs	(28,024)	(35,970)
Payments from restricted cash	6,337	2,500
Payments to restricted cash		(400)
Repayment of loan made to nonconsolidated joint venture		237
Investment in nonconsolidated joint venture	(1,005)	(947)
Net cash used in investing activities	(22,692)	(34,580)
Financing Activities
Repayment of debt principal	(10,908)	(35,081)
Proceeds from credit facilities	14,563	15,000
Payment of deferred financing costs	(3,946)	(4,023)
Payment to terminate interest swap contract		(3,014)
Loan from noncontrolling interests	913
Proceeds from private offering of Preference Shares	10,817
Proceeds from noncontrolling interest's capital contributions		1,440
Acquisition of treasury stock	(238)	(686)
Net cash provided by (used in) financing activities	11,201	(26,364)
Effect of exchange rate changes on cash	84	(95)
Net decrease in cash and cash equivalents	(5,923)	(20,943)
Cash and cash equivalents - beginning of period	18,976	51,040
Cash and cash equivalents - end of period	13,053	30,097
Supplemental cash flow information:
Interest paid, net of amounts capitalized	$ 16,284	$ 11,977

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from bank borrowing during the year.

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Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.

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The cash inflow contributed by noncontrolled interest that purchase additional shares or otherwise increase their ownership stake in a subsidiary of the entity.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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