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RELATED PARTY TRANSACTIONS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Related party transactions
Revenue from related party	$ 3,294	$ 3,285	$ 1,249
GMC
Related party transactions
Expenses incurred from transactions with related party	87	179	336
Amount due to the entity from a related party		114
Reserve kept pursuant to bankruptcy proceedings of the related party		90
Amount due to the related party	12
Amount invoiced for services performed and expenses paid	175	241	200
Constantine Georgiopoulos
Related party transactions
Expenses incurred from transactions with related party	11	54	390
Amount due to the related party	0	29
NSM
Related party transactions
Expenses incurred from transactions with related party	0	2	12
Aegean
Related party transactions
Expenses incurred from transactions with related party	1,517	1,908	1,457
Amount due to the related party	278	408
MEP
Related party transactions
Revenue from related party	3,294	3,285	1,249
Amount due to the entity from a related party	5	7
Amount invoiced for services performed and expenses paid	$ 3,396	$ 3,364	$ 108,982
Number of vessels purchased	3

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Represents the number of vessels acquired by the entity on behalf of related party.

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Represents reserve kept pursuant to bankruptcy proceedings of related party out of amount due from related party.

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Represents the amount invoiced to related parties for services provided and expenses paid on behalf of related parties.

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- Definition

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Carrying amount as of the balance sheet date of obligations due all related parties.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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