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Fair Value Disclosures (Table) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Derivative [Line Items]
Gain on derivative instruments	$ 64	$ 21
Derivative instruments (Note 14)	0		82
Freight Derivatives
Derivative [Line Items]
Gain on derivative instruments	64	21
Bunker contracts
Derivative [Line Items]
Gain on derivative instruments	$ 0	$ 0

X

- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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