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Commitments and Contingencies - Other Liabilities and Matters (Details) $ in Millions	Dec. 31, 2015 USD ($)	Jul. 06, 2013 bbl
Legal Matters
Estimated amount recoverable due to theft of fuel product	$ 18.0
Derailment of freight train
Legal Matters
Volume of crude oil (in barrels) | bbl		50,000
Contribution to compensation fund	$ 110.0
DPM
Legal Matters
Previous membership interest in joint venture (as a percent)	50.00%
DPTS
Legal Matters
Previous membership interest in joint venture (as a percent)	50.00%

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- Definition

The amount accrued for contribution to a compensation fund established as per the settlement agreement for parties who suffered losses.

+ References

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- Definition

Represents the volume of crude oil.

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- Definition

Represents the previous percentage of ownership interest in joint venture.

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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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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