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Investment in Laramie Energy (Tables) | 12 Months Ended
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Dec. 31, 2018
Equity Method Investments and Joint Ventures [Abstract] |
Equity Method Investments | The change in our equity investment in Laramie Energy is as follows (in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Beginning balance | $ | 127,192 |  |  | $ | 108,823 |  |  | $ | 76,203 |
Equity earnings (losses) from Laramie Energy | 4,487 |  |  | 13,043 |  |  | (28,198 | )
Accretion of basis difference | 4,977 |  |  | 5,326 |  |  | 5,818 |
Investments | — |  |  | — |  |  | 55,000 |
Ending balance | $ | 136,656 |  |  | $ | 127,192 |  |  | $ | 108,823 |
Equity Method Investees Financial Information | Summarized financial information for Laramie Energy is as follows (in thousands):
| December 31,
| 2018 |  | 2017
Current assets | $ | 28,569 |  |  | $ | 18,757 |
Non-current assets | 788,515 |  |  | 720,444 |
Current liabilities | 41,681 |  |  | 42,149 |
Non-current liabilities | 293,084 |  |  | 237,497 |
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Natural gas and oil revenues | $ | 226,974 |  |  | $ | 157,879 |  |  | $ | 104,826 |
Income (loss) from operations | 34,206 |  |  | 6,019 |  |  | (27,325 | )
Net income (loss) | 6,347 |  |  | 30,837 |  |  | (61,849 | )

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- Definition Tabular disclosure of equity method investees and financial information. + References No definition available. + Details
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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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