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Investment in Unconsolidated Subsidiary (Tables) | 12 Months Ended
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Dec. 31, 2016
Investment in Affiliate [Abstract] |
Equity Method Investments | In addition to the DGD Joint Venture, the Company has investments in other unconsolidated subsidiaries that were acquired in the VION Acquisition that are insignificant to the Company. Selected financial information for the Company's DGD Joint Venture is as follows:
(in thousands) |  | December 31, 2016 | December 31, 2015
Assets: |  |  |
Total current assets |  | $ | 268,734 |  | $ | 261,444 |
Property, plant and equipment, net |  | 354,871 |  | 356,230 |
Other assets |  | 12,164 |  | 3,034 |
Total assets |  | $ | 635,769 |  | $ | 620,708 |
Liabilities and members' equity: |  |  |
Total current portion of long term debt |  | $ | 17,023 |  | $ | 62,023 |
Total other current liabilities |  | 23,200 |  | 19,935 |
Total long term debt |  | 53,753 |  | 86,819 |
Total other long term liabilities |  | 418 |  | 380 |
Total members' equity |  | 541,375 |  | 451,551 |
Total liabilities and member's equity |  | $ | 635,769 |  | $ | 620,708 |
|  | Year Ended December 31,
(in thousands) |  | 2016 | 2015 | 2014
Revenues: |  |  |  |
Operating revenues |  | $ | 527,670 |  | $ | 475,934 |  | $ | 487,834 |
Expenses: |  |  |  |
Total costs and expenses less depreciation, amortization and accretion expense |  | 353,222 |  | 298,946 |  | 324,557 |
Depreciation, amortization and accretion expense |  | 27,821 |  | 19,714 |  | 18,186 |
Operating income |  | 146,627 |  | 157,274 |  | 145,091 |
Other income |  | 551 |  | 120 |  | 82 |
Interest and debt expense, net |  | (7,354 | ) | (13,604 | ) | (17,640 | )
Net income |  | $ | 139,824 |  | $ | 143,790 |  | $ | 127,533 |

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- Definition Investment in Affiliate [Abstract] + 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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