Equity Method Investment, Additional Ownership Percentage

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- Definition

Equity Method Investment Quoted Market Price Per Share

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No definition available.

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- Definition

Equity method investment, summarized financial information, operating, general and administrative expenses.

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No definition available.

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- Definition

Estimated future developement costs

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No definition available.

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- Definition

Estimated Project Contributions in Year Two

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- Definition

Expected additional cash capital contribution year one.

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- Definition

Length of Pipeline Network

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No definition available.

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- Definition

This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

+ References

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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

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Subparagraph f

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- Definition

This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available.

+ References

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

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-Paragraph 2

-Subparagraph (SX 210.5-03.4)

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

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-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.

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-Section 04

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- Definition

Balance held at close of period in number of shares.

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- Definition

The number of units or percentage investment held by the managing member or general partner of the LLC or LP.

+ References

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-Publisher AICPA

-Name Practice Bulletin (PB)

-Number 14

-Paragraph 15

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- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

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- Definition

The number of limited partner units outstanding.

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Total contributions made by each class of partners (i.e., general, limited and preferred partners).

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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The cash outflow associated with the purchase of or advances to an 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

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

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Investments in Non-Consolidated Subsidiaries (Details Textual) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended				6 Months Ended		3 Months Ended			6 Months Ended		3 Months Ended	6 Months Ended	11 Months Ended	3 Months Ended		6 Months Ended		14 Months Ended
	Jun. 30, 2013 mi	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 White Cliffs Pipeline, L.L.C. [Member]	Jun. 30, 2012 White Cliffs Pipeline, L.L.C. [Member]	Jun. 30, 2013 White Cliffs Pipeline, L.L.C. [Member] mi	Jun. 30, 2012 White Cliffs Pipeline, L.L.C. [Member]	Mar. 31, 2013 General Partner [Member] NGL Energy Partners LP [Member]	Jun. 30, 2013 NGL Energy Partners LP [Member]	Mar. 31, 2013 NGL Energy Partners LP [Member]	Jun. 30, 2012 NGL Energy Partners LP [Member]	Jun. 30, 2013 NGL Energy Partners LP [Member]	Jun. 30, 2012 NGL Energy Partners LP [Member]	Mar. 31, 2013 NGL Energy Partners LP [Member] Limited Partner Interests [Member]	Jun. 30, 2013 White Cliffs Pipeline, L.L.C. [Member]	Jun. 30, 2012 White Cliffs Pipeline, L.L.C. [Member]	Jun. 30, 2013 White Cliffs Pipeline, L.L.C. [Member]	Jun. 30, 2012 White Cliffs Pipeline, L.L.C. [Member]	Jun. 30, 2013 White Cliffs Pipeline, L.L.C. [Member] Semcrude Pipeline [Member]	Jun. 30, 2013 White Cliffs Pipeline, L.L.C. [Member] Semcrude Pipeline [Member]	Jun. 30, 2013 White Cliffs Pipeline, L.L.C. [Member] Semcrude Pipeline [Member]	Jun. 30, 2013 Glass Mountain Pipeline Llc [Member]	Jun. 30, 2012 Glass Mountain Pipeline Llc [Member]	Jun. 30, 2013 Glass Mountain Pipeline Llc [Member]	Jun. 30, 2012 Glass Mountain Pipeline Llc [Member]	Jun. 30, 2013 Glass Mountain Pipeline Llc [Member]	Sep. 30, 2012 Glass Mountain Pipeline Llc [Member]	May 31, 2012 Glass Mountain Pipeline Llc [Member]	Jun. 30, 2013 Pipeline expansion [Member] White Cliffs Pipeline, L.L.C. [Member] Semcrude Pipeline [Member]
Length Of Pipeline Network	210						527
Equity Method Investment, Summarized Financial Information, Operating, General and Administrative Expenses					$ 4,113,000	$ 3,640,000	$ 9,292,000	$ 7,525,000			$ 74,632,000	$ 25,901,000	$ 139,325,000	$ 42,717,000
General and administrative	16,898,000	16,561,000	33,935,000	36,391,000	400,000	500,000	700,000	1,500,000
Equity method investment, ownership percentage							51.00%
Common units										9,133,409			9,133,409
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest															17.00%
Common units representing limited partner interests											53,622,659
Fair market value of common units										275,700,000			275,700,000
Share Price										30.19			30.19
General Partner Ownership Interest									6.42%
Earnings from equity method investments	14,861,000	12,289,000	32,206,000	19,787,000						4,200,000		3,828,000	11,116,000	4,755,000		10,661,000	8,461,000	21,100,000	15,032,000				0	0	(10,000)	0
Proceeds from Equity Method Investment, Dividends or Distributions			29,798,000	17,771,000						4,426,000		1,812,000	8,698,000	2,972,000		12,889,000	10,827,000	26,681,000	19,767,000				0	0	0	0
Percentage of ownership interest					17.00%		17.00%													51.00%	51.00%	51.00%	50.00%		50.00%		50.00%		25.00%
Equity Method Investment, Additional Ownership Percentage																												25.00%
Total expected project costs																				300,000,000	300,000,000	300,000,000
Partners' Capital Account, Contributions																				36,900,000	59,600,000	61,900,000	7,900,000		21,300,000		95,700,000
Payments to Acquire Equity Method Investments			81,611,000	3,447,000
Additional cash capital contribution in 2012																							27,600,000		27,600,000		27,600,000			59,700,000
Estimated Project Contributions in Year Two																							$ 3,500,000		$ 3,500,000		$ 3,500,000			$ 29,500,000