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Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2015
Hankinson Renewable Energy, LLC [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Summary of Results of Operations of Discontinued Operations | The results of operations associated with the Hankinson discontinued operations are presented in the following table.
(Thousands of dollars) |  | 2014 |  | 2013
Revenues |  | $ | — |  |  | $ | 366,707 |
Income (loss) from operations before income taxes |  | — |  |  | 40,130 |
Gain on sale before income taxes |  | 1,202 |  |  | 80,834 |
Total income (loss) from discontinued operations before taxes |  | 1,202 |  |  | 120,964 |
Provision for income taxes |  | 421 |  |  | 42,257 |
Income (loss) from discontinued operations |  | $ | 781 |  |  | $ | 78,707 |
Hereford Production Facility [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Summary of Results of Operations of Discontinued Operations | The following table presents financial results of the Hereford business:
| Twelve months ended December 31,
(Thousands of dollars) | 2015 |  | 2014 |  | 2013
Revenues |  |  |  |  |
Ethanol sales | $ | 154,502 |  |  | $ | 223,904 |  |  | $ | 269,254 |
Total revenues | 154,502 |  |  | 223,904 |  |  | 269,254 |
Costs and operating expenses |  |  |  |  |
Ethanol cost of goods sold | 121,753 |  |  | 158,276 |  |  | 228,899 |
Station and other operating expenses | 27,881 |  |  | 34,763 |  |  | 33,227 |
Depreciation and amortization | 333 |  |  | 147 |  |  | 77 |
Selling, general and administrative expenses | 1,382 |  |  | 1,635 |  |  | 3,568 |
Total costs and operating expenses | 151,349 |  |  | 194,821 |  |  | 265,771 |
Income from operations | 3,153 |  |  | 29,083 |  |  | 3,483 |
Other income (expense) |  |  |  |  |
Gain (loss) on sale of assets | 60,782 |  |  | — |  |  | — |
Other nonoperating income (expense) | — |  |  | 994 |  |  | — |
Total other income (expense) | 60,782 |  |  | 994 |  |  | — |
Income before income taxes | 63,935 |  |  | 30,077 |  |  | 3,483 |
Income taxes | 25,186 |  |  | 9,955 |  |  | 1,292 |
Net income | $ | 38,749 |  |  | $ | 20,122 |  |  | $ | 2,191 |
The following tables present the aggregate carrying amounts of the classes of held for sale assets and liabilities:
(Thousands of dollars) |  | 2014
Carrying amount of assets included as part of discontinued operations: |  |
Cash and cash equivalents |  | $ | 942 |
Accounts receivable - trade |  | 1,625 |
Inventories, at lower of cost or market |  | 25,868 |
Prepaid expenses and other current assets |  | 3,062 |
Property, plant and equipment, net |  | 5,043 |
Other assets |  | 515 |
Deferred tax assets |  | 19,273 |
Total assets classified as held for sale in the condensed consolidated balance sheet |  | $ | 56,328 |
|  | 2014
(Thousands of dollars) |  |
Carrying amount of liabilities included as part of discontinued operations: |  |
Trade accounts payable and accrued liabilities |  | $ | 5,728 |
Income taxes payable |  | 7,238 |
Deferred income taxes, net |  | (41 | )
Total liabilities classified as held for sale in the condensed consolidated balance sheet |  | $ | 12,925 |
The following table presents cash flow of the Hereford ethanol plant:
| Twelve months ended December 31,
(Thousands of dollars) | 2015 |  | 2014 |  | 2013
Net cash provided by (used in) discontinued operating activities | $ | (17,887 | ) |  | $ | 28,741 |  |  | $ | 30,810 |
Net cash provided by (used in) discontinued investing activities | $ | 86,322 |  |  | $ | (4,918 | ) |  | $ | (1,959 | )

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