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Investments In Affiliate - Summarized financial information of the affiliates (Table) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Affiliate jointly - owned companies - summarized financial information [Line Items]
Voyage revenue	$ 244,069	$ 238,403
Net loss	(454)	(3,272)
Affiliates balance sheet date [Member]
Affiliate jointly - owned companies - summarized financial information [Line Items]
Non-current assets			$ 177,220
Current assets			13,267
Total assets of affiliates			190,487
Current liabilities			$ 6,283
Voyage revenue	7,252	5,894
Net loss	(454)	$ (3,272)
Affiliates balance sheet date new [Member]
Affiliate jointly - owned companies - summarized financial information [Line Items]
Non-current assets	238,541
Current assets	10,465
Total assets of affiliates	249,006
Current liabilities	$ 5,202

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- Definition

Summarized balance sheet items as of the period end and income statement items for specific period.

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Sum of the carrying amounts as of the balance sheet date of all Company?s affiliates assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Company?s affiliates total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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The portion of profit or loss of the affiliates for the period, net of income taxes.

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Sum of the carrying amounts as of the balance sheet date of all affiliate?s assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Revenues generated from time charter agreements, recognized over the term of the charter, recorded as service is provided, when they become fixed and determinable.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 280



-SubTopic 10



-Section 50



-Paragraph 41



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599

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