Cash Received From General Partner For Additional Shares Issued

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- Definition

Consideration in excess of the book value of net assets paid as a capital distribution to our General Partner.

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No definition available.

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- Definition

Contribution In Excess Of Book Value For Acquisition, Cash

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No definition available.

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- Definition

Placement agent fees in connection with the private placement.

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No definition available.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

Monetary value of the issuance of new units of limited partnership interest in a public offering.

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- Definition

The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions and Divestiture - 2016 Acquisitions (Details) - USD ($)								3 Months Ended			12 Months Ended
	Sep. 15, 2017	Dec. 27, 2016	Oct. 03, 2016	Aug. 09, 2016	Jun. 09, 2016	May 23, 2016	Mar. 29, 2016	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 01, 2017
Business Acquisition [Line Items]
Net proceeds from public offerings											$ 973,300,000	$ 277,900,000	$ 818,100,000
Units issued in connection with public offering (in units)											36,764,707	5,275,510
Consideration for units issued in connection with private placement											$ 20,000,000.0	$ 5,800,000	9,800,000
Aggregate percentage of interest												200.00%
Contribution in excess of book value											$ 738,400,000	$ 1,034,500,000	$ 896,300,000
Explorer
Business Acquisition [Line Items]
Voting interest acquired				2.62%										10.00%
Mars
Business Acquisition [Line Items]
Voting interest acquired			20.00%											22.90%
October 2016 Acquisitions
Business Acquisition [Line Items]
Consideration transferred			$ 350,000,000.0
Consideration, cash on hand			50,000,000.0
Consideration, funded with borrowings			300,000,000.0
Contingent consideration receivable (up to)			$ 10,000,000.0
December 2016 Acquisition
Business Acquisition [Line Items]
Consideration transferred		$ 42,000,000.0
Odyssey Pipeline L.L.C.
Business Acquisition [Line Items]
Voting interest acquired														22.00%
August 2016 Acquisition
Business Acquisition [Line Items]
Consideration transferred				$ 26,200,000
Consideration, cash on hand				26,300,000
Transaction costs				$ 100,000
Zydeco
Business Acquisition [Line Items]
Voting interest acquired						30.00%
Bengal
Business Acquisition [Line Items]
Voting interest acquired						1.00%
Colonial
Business Acquisition [Line Items]
Voting interest acquired						3.00%
May 2016 Acquisition
Business Acquisition [Line Items]
Consideration transferred						$ 700,000,000.0
Consideration, cash on hand						50,400,000
Consideration for units issued in connection with private placement						7,100,000
Contribution in excess of book value of net assets acquired						606,300,000
Contribution in excess of book value						599,200,000
Explorer
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by Parent				35.97%							25.97%
Proteus
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by Parent											0.00%
Proteus \| December 2016 Acquisition
Business Acquisition [Line Items]
Voting interest acquired		10.00%
Endymion
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by Parent											0.00%
Endymion \| December 2016 Acquisition
Business Acquisition [Line Items]
Voting interest acquired		10.00%
Cleopatra
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by Parent											0.00%
Cleopatra \| December 2016 Acquisition
Business Acquisition [Line Items]
Voting interest acquired		1.00%
Odyssey Pipeline L.L.C.
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by Parent											0.00%
Odyssey Pipeline L.L.C. \| Odyssey Pipeline L.L.C.
Business Acquisition [Line Items]
Voting interest acquired			49.00%
Common Units
Business Acquisition [Line Items]
Placement fees								$ 400,000
Common Units \| May 2016 Acquisition
Business Acquisition [Line Items]
Net proceeds from public offerings						$ 345,800,000
Units issued in connection with public offering (in units)						10,500,000
General Partner
Business Acquisition [Line Items]
Units issued in connection with public offering (in units)	105,510				32,143		258,163				735,295	105,510
Consideration for units issued in connection with private placement					$ 1,100,000		$ 8,200,000	$ 2,900,000		$ 500,000
General Partner \| May 2016 Acquisition
Business Acquisition [Line Items]
Units issued in connection with public offering (in units)						214,285
Shell Pipeline Company L P \| Common Units
Business Acquisition [Line Items]
Units issued in connection with public offering (in units)											11,029,412	0
Shell Pipeline Company L P \| General Partner
Business Acquisition [Line Items]
Net proceeds from public offerings												$ 0
Shell Pipeline Company L P \| General Partner \| May 2016 Acquisition
Business Acquisition [Line Items]
Aggregate percentage of interest											2.00%
General Public \| Common Units
Business Acquisition [Line Items]
Net proceeds from public offerings	$ 135,100,000				51,800,000		$ 395,100,000
Units issued in connection with public offering (in units)	5,170,000					1,575,000	12,650,000				25,000,000	5,170,000
Placement fees					$ 100,000	$ 400,000	$ 200,000		$ 100,000