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Summary Of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items] |  |
Impairment of intangible assets | $ 0 |
Impairment of goodwill | $ 0 | $ 0
Poseidon Oil Pipeline Company, L.L.C. [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Ownership percentage | 28.00% |
Odyssey Pipeline L.L.C. [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Ownership percentage | 29.00% |
CHOPS [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Ownership percentage | 50.00% |
SEKCO [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Ownership percentage | 50.00% |
Minimum [Member] | Pipelines And Related Assets [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 5 years |
Minimum [Member] | Marine Vessels [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 20 years |
Minimum [Member] | Machinery And Equipment [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 10 years |
Minimum [Member] | Transportation Equipment [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 3 years |
Minimum [Member] | Building And Improvements [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 3 years |
Maximum [Member] | Pipelines And Related Assets [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 40 years |
Maximum [Member] | Marine Vessels [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 30 years |
Maximum [Member] | Machinery And Equipment [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 20 years |
Maximum [Member] | Transportation Equipment [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 7 years |
Maximum [Member] | Building And Improvements [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives of assets | 10 years |

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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 + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 2: 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 + Details
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