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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) | Income tax expense (benefit) consisted of the following (in thousands):
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
Current: |  |  |  |  |  |  |
U.S.—Federal | $ | — |  |  | $ | — |  |  | $ | — |
U.S.—State | 23 |  |  | — |  |  | (264 | )
Foreign | — |  |  | (299 | ) |  | (80 | )
Deferred: |  |  |  |  |  |  |
U.S.—Federal | (7,046 | ) |  | (14,685 | ) |  | (14 | )
U.S.—State | (889 | ) |  | (1,804 | ) |  | (177 | )
Foreign | — |  |  | — |  |  | 80 |
Total | $ | (7,912 | ) |  | $ | (16,788 | ) |  | $ | (455 | )
Schedule of Effective Income Tax Rate Reconciliation | Income tax expense was different from the amounts computed by applying U.S. Federal income tax rate of 35% to pretax income as a result of the following:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
Federal statutory rate | 35.0 | % |  | 35.0 | % |  | 35.0 | %
State income taxes, net of federal benefit | 1.6 | % |  | 3.2 | % |  | 1.3 | %
Expiration of capital loss carryover | (17.6 | )% |  | (25.5 | )% |  | — | %
Change in valuation allowance | 9.2 | % |  | 25.3 | % |  | (38.8 | )%
Permanent items | (5.7 | )% |  | (7.6 | )% |  | 3.6 | %
Provision to return adjustments | (7.8 | )% |  | (0.8 | )% |  | (0.1 | )%
Actual income tax rate | 14.7 | % |  | 29.6 | % |  | 1.0 | %
Schedule of Deferred Tax Assets and Liabilities | Deferred tax assets (liabilities) are comprised of the following (in thousands):
| December 31,
| 2016 |  | 2015
Deferred tax assets: |  |  |  |
Net operating loss | $ | 611,631 |  |  | $ | 522,541 |
State deferred tax assets | 159 |  |  | 9,160 |
Capital loss carryforwards | — |  |  | 12,193 |
Property and equipment | 23,203 |  |  | 27,372 |
Investment in Laramie Energy | — |  |  | 42,986 |
Contingent consideration | — |  |  | 9,653 |
Other | 10,709 |  |  | 9,234 |
Total deferred tax assets | 645,702 |  |  | 633,139 |
Valuation allowance | (613,866 | ) |  | (621,220 | )
Net deferred tax assets | 31,836 |  |  | 11,919 |
Deferred tax liabilities: |  |  |  |
Investment in Laramie Energy | 20,600 |  |  | — |
Convertible notes | 6,866 |  |  | — |
Intangible assets | 2,671 |  |  | 9,834 |
Other | 2,331 |  |  | 2,023 |
State liabilities | 6 |  |  | 62 |
Total deferred tax liabilities | 32,474 |  |  | 11,919 |
Total deferred tax liability, net | $ | (638 | ) |  | $ | — |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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