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Discontinued operations (Tables) | 9 Months Ended
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Sep. 30, 2018
Discontinued Operations and Disposal Groups [Abstract] |
Disposal groups, including discontinued operations | The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of Fidelity, on the Consolidated Balance Sheets were as follows:
| September 30, 2018 |  | September 30, 2017 |  | December 31, 2017 |
| (In thousands)
Assets |  |  |
Current assets: |  |  |
Receivables, net | $ | 571 |  | $ | 304 |  | $ | 479 |
Total current assets held for sale | 571 |  | 304 |  | 479 |
Noncurrent assets: |  |  |
Net property, plant and equipment | — |  | 2,064 |  | 1,631 |
Deferred income taxes | 1,711 |  | 62,163 |  | 2,637 |
Other | 161 |  | 161 |  | 161 |
Total noncurrent assets held for sale | 1,872 |  | 64,388 |  | 4,429 |
Total assets held for sale | $ | 2,443 |  | $ | 64,692 |  | $ | 4,908 |
Liabilities |  |  |
Current liabilities: |  |  |
Accounts payable | $ | 188 |  | $ | 68 |  | $ | 30 |
Taxes payable | 7,463 |  | 11,745 |  | 10,857 |
Other accrued liabilities | 1,948 |  | 2,380 |  | 2,884 |
Total current liabilities held for sale | 9,599 |  | 14,193 |  | 13,771 |
Total liabilities held for sale | $ | 9,599 |  | $ | 14,193 |  | $ | 13,771 |
The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of and activity associated with Dakota Prairie Refining, on the Consolidated Balance Sheets were as follows:
| September 30, 2018 |  | September 30, 2017 |  | December 31, 2017 |
| (In thousands)
Assets |  |  |
Current assets: |  |  |
Income taxes receivable (a) | $ | 1,640 |  | $ | 8,444 |  | $ | 1,778 |
Total current assets held for sale | 1,640 |  | 8,444 |  | 1,778 |
Total assets held for sale | $ | 1,640 |  | $ | 8,444 |  | $ | 1,778 |
Liabilities |  |  |
Noncurrent liabilities: |  |  |
Deferred income taxes (b) | $ | 37 |  | $ | 55 |  | $ | 37 |
Total noncurrent liabilities held for sale | 37 |  | 55 |  | 37 |
Total liabilities held for sale | $ | 37 |  | $ | 55 |  | $ | 37 |
(a) | On the Company's Consolidated Balance Sheets, these amounts were reclassified to taxes payable and are reflected in current liabilities held for sale.
(b) | On the Company's Consolidated Balance Sheets, these amounts were reclassified to deferred charges and other assets - deferred income taxes and are reflected in noncurrent assets held for sale.
Reconciliation of major classes of income and expense | The reconciliation of the major classes of income and expense constituting pretax income (loss) from discontinued operations, which includes Dakota Prairie Refining and Fidelity, to the after-tax income (loss) from discontinued operations on the Consolidated Statements of Income was as follows:
| Three Months Ended |  | Nine Months Ended |
| September 30, |  | September 30, |
| 2018 |  | 2017 |  |  | 2018 |  | 2017 |  |
| (In thousands) |
Operating revenues | $ | 61 |  | $ | 121 |  |  | $ | 201 |  | $ | 356 |  |
Operating expenses | 216 |  | 384 |  |  | 825 |  | (4,988 | ) |
Operating income (loss) | (155 | ) | (263 | ) |  | (624 | ) | 5,344 |  |
Other income (expense) | — |  | — |  |  | 12 |  | (13 | ) |
Interest expense | — |  | — |  |  | 575 |  | 239 |  |
Income (loss) from discontinued operations before income taxes | (155 | ) | (263 | ) |  | (1,187 | ) | 5,092 |  |
Income taxes | (37 | ) | 1,935 |  | * | (1,272 | ) | 8,794 |  | *
Income (loss) from discontinued operations | $ | (118 | ) | $ | (2,198 | ) |  | $ | 85 |  | $ | (3,702 | ) |
* | Includes the eliminations for the presentation of income tax adjustments between continuing and discontinued operations.

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