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Investments in Non-Consolidated Affiliates (Tables) | 12 Months Ended
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Dec. 31, 2011
Investments in Non-Consolidated Affiliates [Abstract] |
Ownership interest of each equity method investee |
|  | Ownership Interest |  |  | Location |  | Type of Business
PIGAP II |  |  | 30.0 | % |  | Venezuela |  | Gas Compression Plant
El Furrial |  |  | 33.3 | % |  | Venezuela |  | Gas Compression Plant
Summarized balance sheet information for investees accounted for by the equity method |
|  | December 31, |
|  | 2011 |  |  | 2010 |
Current assets |  | $ | 928 |  |  | $ | 1,200 |
Non-current assets |  |  | 23,700 |  |  |  | 24,421 |
Current liabilities, including current debt |  |  | 71,512 |  |  |  | 101,463 |
Long-term debt payable |  |  | 873 |  |  |  | 1,203 |
Other non-current liabilities |  |  | 29,055 |  |  |  | 29,665 |
Owners’ deficit |  |  | (76,812 | ) |  |  | (106,710 | )
Summarized combined earnings information |
|  | Years Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Revenues |  | $ | — |  |  | $ | — |  |  | $ | 8,381 |
Operating income (loss) |  |  | 31,651 |  |  |  | 41,582 |  |  |  | (400,727 | )
Net income (loss) |  |  | 28,269 |  |  |  | 43,013 |  |  |  | (343,680 | )

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- Definition Tabular disclosure of equity method investments in common stock. The disclosure may include: (a) the name of each investee or group of investments for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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