Difference Between Carrying Amount and Underlying Equity, Amortization

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- Definition

Difference Between Carrying Amount and Underlying Equity, Useful Life

+ References

No definition available.

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- Definition

Equity Method Investment, Difference Between Carrying Amount and Underlying Equity, Property and Equipment

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

No definition available.

+ Details

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- Definition

The amount of current assets reported by an equity method investment of the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(g))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Paragraph 3

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-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-Subparagraph (f)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Article 1

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-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph g

-Subparagraph 1, 2

-Article 4

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph w

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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-SubTopic 10

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 958

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-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28367520&loc=d3e92212-112881

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Impairment

-URI http://asc.fasb.org/extlink&oid=6515133

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- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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Investments in Unconsolidated Entities and Joint Ventures (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			1 Months Ended	3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended						0 Months Ended			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Cardinal Gas Storage Partners LLC [Member]	Dec. 31, 2013 Caliber Gathering, LLC [Member]	Dec. 31, 2013 Caliber Gathering, LLC [Member]	Jun. 30, 2012 Caliber Gathering, LLC [Member]	Sep. 30, 2012 Pecos Valley Producer Services LLC [Member]	Dec. 31, 2012 Pecos Valley Producer Services LLC [Member]	Jun. 30, 2012 Pecos Valley Producer Services LLC [Member]	Dec. 31, 2012 Waskom Matagorda and PIPE [Member]	Dec. 31, 2013 Cardinal Gas Storage Partners LLC [Member]	Dec. 31, 2013 Cardinal Gas Storage Partners LLC [Member]	Dec. 31, 2012 Cardinal Gas Storage Partners LLC [Member]	Dec. 31, 2011 Cardinal Gas Storage Partners LLC [Member]	May 01, 2008 Cardinal Gas Storage Partners LLC [Member]	May 01, 2008 Cardinal Gas Storage Partners LLC [Member] Energy Capital Partners [Member]	Dec. 31, 2013 Cardinal Gas Storage Partners LLC [Member] Redbird [Member]	May 27, 2011 Redbird [Member]	May 27, 2011 Redbird [Member] Common Class A [Member]	May 27, 2011 Redbird [Member] Common Class B [Member]	Mar. 31, 2013 Martin Energy Trading LLC [Member]	Dec. 31, 2013 Martin Energy Trading LLC [Member]
Schedule of Equity Method Investments [Line Items]
Unconsolidated interest ownership							50.00%			50.00%	50.00%	42.21%	42.21%	41.28%		50.00%	50.00%	42.21%		100.00%	100.00%	100.00%	100.00%
Difference between carrying amount and underlying equity, property and equipment																$ 1,250
Useful life													40 years
Amortization of intangible assets													31	31	31
Proceeds from sale of equity method investment	750	531	0		750			531											59,319			15,000
Impairment of property, plant and equipment				129,384								54,053
Gain from partial sale of ownership	750	486	0			750			486
Partnership's interest in cash of the unconsolidated equity-method investees	$ 3,703	$ 1,265