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Fixed Assets (Tables) | 9 Months Ended
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Sep. 30, 2013
Fixed Assets And Asset Retirement Obligations [Abstract] |
Schedule Of Fixed Assets | Fixed assets consisted of the following:
| September 30, 2013 |  | December 31, 2012
Pipelines and related assets | $ | 268,650 |  |  | $ | 226,831 |
Machinery and equipment | 110,710 |  |  | 87,502 |
Transportation equipment | 19,751 |  |  | 21,170 |
Marine vessels | 529,891 |  |  | 298,054 |
Land, buildings and improvements | 20,002 |  |  | 15,606 |
Office equipment, furniture and fixtures | 5,436 |  |  | 4,964 |
Construction in progress | 180,892 |  |  | 52,541 |
Other | 20,645 |  |  | 16,557 |
Fixed assets, at cost | 1,155,977 |  |  | 723,225 |
Less: Accumulated depreciation | (186,640 | ) |  | (157,944 | )
Net fixed assets | $ | 969,337 |  |  | $ | 565,281 |
Depreciation Expense | Our depreciation expense for the periods presented was as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Depreciation expense | $ | 11,365 |  |  | $ | 9,202 |  |  | $ | 32,930 |  |  | $ | 27,246 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 + Details
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