v3.5.0.2
STATEMENTS OF CASH FLOWS (Tables)
 9 Months Ended
Sep. 30, 2016
Statement of Cash Flows [Abstract]  
Schedule of Changes in Current Assets and Liabilities [Text Block]
Changes in current assets and current liabilities were as follows:
 
Nine Months Ended September 30,
 
2016
 
2015
 
(Thousands of Dollars)
Decrease (increase) in current assets:
 
 
 
Accounts receivable
$
(15,200
)
 
$
75,532

Inventories
3,767

 
1,654

Other current assets
4,809

 
1,660

Increase (decrease) in current liabilities:
 
 
 
Accounts payable
7,706

 
(45,626
)
Payable to related party, net
806

 
743

Accrued interest payable
(6,672
)
 
(5,424
)
Accrued liabilities
(7,477
)
 
(12,338
)
Taxes other than income tax
3,670

 
3,239

Income tax payable
(3,886
)
 
363

Changes in current assets and current liabilities
$
(12,477
)
 
$
19,803
Schedule of Supplemental Cash Flow Information [Text Block]
Cash flows related to interest and income taxes were as follows:
 
Nine Months Ended September 30,
 
2016
 
2015
 
(Thousands of Dollars)
Cash paid for interest, net of amount capitalized
$
112,796

 
$
105,340

Cash paid for income taxes, net of tax refunds received
$
9,873

 
$
8,987