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Equity Investments (Tables) | 12 Months Ended
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Dec. 31, 2012
Equity Investments [Abstract] |
Contributions To Equity Investments |
|  | Year Ended December 31, |
|  | 2012 |  | 2011 |  | 2010 |
Clough Helix Pty Ltd. (see below) | $ | - | $ | 2,699 | $ | 8,253 |
Total | $ | - | $ | 2,699 | $ | 8,253 |
Distributions From Equity Investments |
|  | Year Ended December 31, |
|  | 2012 |  | 2011 |  | 2010 |
Deepwater Gateway | $ | 8,157 | $ | 7,600 | $ | 8,125 |
Independence Hub |  | 8,073 |  | 18,580 |  | 21,615 |
Other |  | - |  | - |  | 268 |
Total | $ | 16,230 | $ | 26,180 | $ | 30,008 |
Schedule Of Summarized Aggregated Financial Information Related To The Subsidiaries |
|  | Year Ended December 31, |
|  | 2012 |  | 2011 |  | 2010 |
Revenues | $ | 53,159 | $ | 193,521 | $ | 141,705 |
Operating income |  | 30,463 |  | 97,954 |  | 93,324 |
Net income |  | 30,463 |  | 93,215 |  | 93,005 |
|  | December 31, |
|  | 2012 |  | 2011 |  | 2010 |
Current assets | $ | 16,682 | $ | 39,754 | $ | 25,352 |
Total assets |  | 537,251 |  | 591,761 |  | 594,645 |
Current liabilities |  | 706 |  | 11,012 |  | 6,434 |
Total liabilities |  | 5,320 |  | 27,163 |  | 19,695 |

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- Definition Tabular disclosure of investments in and advances to affiliates. Does not include the tabular disclosure of the disaggregation of investments in and advances to affiliates across legal entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611322-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 14 -Article 12 + Details
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