v2.4.0.6

INCOME TAXES (Tables) | 9 Months Ended
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Sep. 30, 2012
INCOME TAXES [Abstract] |
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:
| September 30, 2012 |  | December 31, 2011
| (Thousands of Dollars)
Deferred income tax assets: |  |  |
Net operating losses | $ | 24,552 |  |  | $ | 17,089 |
Environmental and legal reserves | 216 |  |  | 14,822 |
Capital loss | 1,712 |  |  | 1,044 |
Valuation allowance | (71 | ) |  | (1,161 | )
Total deferred income tax assets | 26,409 |  |  | 31,794 |
Deferred income tax liabilities: |  |  |
Property, plant and equipment | (54,184 | ) |  | (57,392 | )
Other | (996 | ) |  | (698 | )
Total deferred income tax liabilities | (55,180 | ) |  | (58,090 | )
Net deferred income tax liability | $ | (28,771 | ) |  | $ | (26,296 | )
Reported on the Consolidated Balance Sheets as: |  |  |
Deferred income tax asset | $ | 2,080 |  |  | $ | 9,141 |
Deferred income tax liability | (30,851 | ) |  | (35,437 | )
Net deferred income tax liability | $ | (28,771 | ) |  | $ | (26,296 | )

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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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