v3.8.0.1

INCOME TAXES (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | Components of income tax expense related to certain of our continuing operations conducted through separate taxable wholly owned corporate subsidiaries were as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (Thousands of Dollars)
Current: |  |  |  |  |
U.S. | $ | 3,117 |  |  | $ | 2,280 |  |  | $ | 908 |
Foreign | 6,335 |  |  | 6,329 |  |  | 9,820 |
Foreign withholding tax | 479 |  |  | 3,833 |  |  | 1,926 |
Total current | 9,931 |  |  | 12,442 |  |  | 12,654 |
Deferred: |  |  |  |  |
U.S. | 1,468 |  |  | 2,680 |  |  | 1,022 |
Foreign | (1,065 | ) |  | (1,122 | ) |  | (1,464 | )
Foreign withholding tax | (397 | ) |  | (2,027 | ) |  | 2,500 |
Total deferred | 6 |  |  | (469 | ) |  | 2,058 |
Total income tax expense | $ | 9,937 |  |  | $ | 11,973 |  |  | $ | 14,712 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | The tax effects of significant temporary differences representing deferred income tax assets and liabilities were as follows:
| December 31,
| 2017 |  | 2016
| (Thousands of Dollars)
Deferred income tax assets: |  |  |
Net operating losses | $ | 20,688 |  |  | $ | 31,539 |
Employee benefits | 483 |  |  | 697 |
Environmental and legal reserves | 185 |  |  | 148 |
Allowance for bad debt | 1,982 |  |  | 2,697 |
Other | 2,050 |  |  | 1,697 |
Total deferred income tax assets | 25,388 |  |  | 36,778 |
Less: Valuation allowance | (11,251 | ) |  | (12,759 | )
Net deferred income tax assets | 14,137 |  |  | 24,019 |
Deferred income tax liabilities: |  |  |
Property, plant and equipment | (36,176 | ) |  | (43,788 | )
Foreign withholding tax | — |  |  | (384 | )
Total deferred income tax liabilities | (36,176 | ) |  | (44,172 | )
Net deferred income tax liability | $ | (22,039 | ) |  | $ | (20,153 | )
Reported on the consolidated balance sheets as: |  |  |
Deferred income tax asset | $ | 233 |  |  | $ | 2,051 |
Deferred income tax liability | (22,272 | ) |  | (22,204 | )
Net deferred income tax liability | $ | (22,039 | ) |  | $ | (20,153 | )

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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=84230637&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=84230637&loc=d3e32537-109319 + Details
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