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Equity Method Investments (Tables) | 6 Months Ended
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Jun. 30, 2017
Equity Method Investments and Joint Ventures [Abstract] |
Equity Method Investments [Table Text Block] | Combined summarized financial information for our equity method investees is shown below (in thousands):
|  | June 30, 2017 |  | December 31, 2016
Current assets |  | $ | 9,888 |  |  | $ | 7,760 |
Noncurrent assets |  | $ | 244,110 |  |  | $ | 237,516 |
Current liabilities |  | $ | 2,040 |  |  | $ | 4,512 |
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Revenues |  | $ | 7,022 |  |  | $ | — |  |  | $ | 12,693 |  |  | $ | — |
Gross profit |  | $ | 7,022 |  |  | $ | — |  |  | $ | 12,693 |  |  | $ | — |
Net income (loss) |  | $ | 3,379 |  |  | $ | (793 | ) |  | $ | 4,392 |  |  | $ | (1,319 | )

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: 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=66011266&loc=d3e33918-111571 + Details
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