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Fair Value of Acquired Time Charters - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended			27 Months Ended	6 Months Ended				56 Months Ended		6 Months Ended			34 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2011 Star Cosmo [Member]	May 01, 2011 Star Cosmo [Member]	Jun. 30, 2011 Star Cosmo - Voyage revenue [Member]	Jun. 30, 2011 Star Cosmo - Gain on time charter agreement termination [Member]	Jun. 30, 2012 Star Big [Member]	Jun. 30, 2012 Star Mega [Member]	Oct. 29, 2013 Star Sigma [Member]	Jan. 04, 2012 Star Sigma [Member]	Jun. 30, 2012 Star Sigma - Amount received in cash (Member)	Jun. 30, 2012 Star Sigma - Value of fuels received as compensation (Member)	Jun. 30, 2011 Star Omicron [Member]	Feb. 22, 2011 Star Omicron [Member]
Fair Value of Acquired Time Charters [Line Items]
Amortization of fair value of below market acquired time charter			$ 452		$ 179	$ 273
Amortization of above acquired time charters							1,603	1,564
Write Off Of Unamortized Fair Value Of Below Market Acquired Time Charter On Vessel Redelivery			273
Gain On Time Charter Agreement Termination	6,454	1,806									5,734	720	1,210
Fuel Quantity										1,027
Gross daily charter rate				36					38					43
Time charter termination deferred revenue			$ 324

X

- Definition

The amortization of the liability arising from the market value of the time charter assumed from a vessel acquisition.

+ References

No definition available.

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- Definition

The quantity of oil fuel that was delivered with the delivery of the vessel, in metric tons.

+ References

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- Definition

The gain recognized on termination of a contract.

+ References

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- Definition

The gross daily charter rate for the duration of the time charter.

+ References

No definition available.

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- Definition

The deferred revenue recognized regarding the termination of the time charter contract.

+ References

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- Definition

The write off of unamortized fair value of below market acquired time charter on vessel's redelivery date.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Section 45

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-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Section 50

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