Income Taxes (Narrative) (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Income Taxes [Line Items] | |||
| Effective income tax rate | 101.00% | 101.00% | |
| Deferred tax assets, basis difference in fixed assets | $ 46,500,000 | ||
| Deferred tax liabilities, basis difference in fixed assets | 9,800,000 | ||
| Statutory tax rate | 21.00% | ||
| Uncertain tax positions | $ 0 | ||
| Change in valuation allowance | $ 4,800,000 | ||
| Restatement Adjustment [Member] | |||
| Income Taxes [Line Items] | |||
| Valuation allowance | $ 29,900,000 | ||
| Authorities Other Than United States And Gabon [Member] | |||
| Income Taxes [Line Items] | |||
| Effective income tax rate | 0.00% |
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- Definition Income Taxes [Line Items] No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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