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Significant Accounting Policies and Recent Accounting Pronouncements, textuals 2 (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	30 years
[MinimumMember]
Property, Plant and Equipment [Line Items]
Estimated Residual Scrap Value Per Lightweight Ton	200
[MaximumMember]
Property, Plant and Equipment [Line Items]
Estimated Residual Scrap Value Per Lightweight Ton	350

X

- Definition

No authoritative reference available.

+ References

No definition available.

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- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-URI http://asc.fasb.org/subtopic&trid=2155824

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