v3.20.4
INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2020
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,
 202020192018
 (Thousands of Dollars)
Current:
U.S.$36 $3,741 $4,515 
Foreign2,415 1,489 4,658 
Foreign withholding tax— 101 192 
Total current2,451 5,331 9,365 
Deferred:
U.S.300 (490)1,403 
Foreign(621)(168)394 
Foreign withholding tax533 182 246 
Total deferred212 (476)2,043 
Less: amounts reported in discontinued operations— 101 1,251 
Income tax expense$2,663 $4,754 $10,157 
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,
 20202019
 (Thousands of Dollars)
Deferred income tax assets:
Net operating losses$18,459 $26,081 
Employee benefits134 372 
Environmental and legal reserves105 267 
Capital loss10,813 3,870 
Other834 693 
Total deferred income tax assets30,345 31,283 
Less: Valuation allowance(28,211)(17,743)
Net deferred income tax assets2,134 13,540 
Deferred income tax liabilities:
Property, plant and equipment(13,772)(25,169)
Foreign withholding tax(1,002)(433)
Other(371)(365)
Total deferred income tax liabilities(15,145)(25,967)
Net deferred income tax liability$(13,011)$(12,427)